{"id":30011,"date":"2026-07-24T14:43:45","date_gmt":"2026-07-24T12:43:45","guid":{"rendered":"https:\/\/perseus.de\/avertissement-critique-pour-les-utilisateurs-de-sharepoint-la-vulnerabilite-est-activement-attaquee\/"},"modified":"2026-08-10T10:18:34","modified_gmt":"2026-08-10T08:18:34","slug":"avertissement-critique-pour-les-utilisateurs-de-sharepoint-la-vulnerabilite-est-activement-attaquee","status":"publish","type":"post","link":"https:\/\/perseus.de\/fr\/avertissement-critique-pour-les-utilisateurs-de-sharepoint-la-vulnerabilite-est-activement-attaquee\/","title":{"rendered":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30011\" class=\"elementor elementor-30011 elementor-28864\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dcf4ec4 e-flex e-con-boxed e-con e-parent\" data-id=\"dcf4ec4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1db58c elementor-widget elementor-widget-image\" data-id=\"e1db58c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"200\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png\" class=\"attachment-large size-large wp-image-30041\" alt=\"En cas d&apos;apparition d&apos;un nouveau type d&apos;attaque ou d&apos;une faille de s\u00e9curit\u00e9, Perseus envoie des e-mails d&apos;alerte proposant des mesures correctives concr\u00e8tes.\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png 1024w, https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-300x75.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-768x192.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR.png 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1258a43 e-flex e-con-boxed e-con e-parent\" data-id=\"1258a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2de4e88 e-con-full e-flex e-con e-child\" data-id=\"2de4e88\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4982c80 elementor-widget elementor-widget-text-editor\" data-id=\"4982c80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h6>24.07.2026<\/h6>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8348bc5 elementor-widget elementor-widget-heading\" data-id=\"8348bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e  \n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb03842 e-con-full e-flex e-con e-child\" data-id=\"eb03842\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91d0988 elementor-widget elementor-widget-text-editor\" data-id=\"91d0988\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p> <\/p>\n<p><span style=\"font-weight: 400\">Une<\/span><b> vuln\u00e9rabilit\u00e9 s\u00e9rieuse a \u00e9t\u00e9 identifi\u00e9e dans Microsoft SharePoint Server<\/b><span style=\"font-weight: 400\"> qui permet aux attaquants de prendre le contr\u00f4le d\u2019un serveur avec relativement peu d\u2019efforts. <\/span> <\/p>\n<p> <\/p>\n<p><span style=\"font-weight: 400\">Un code d\u2019attaque correspondant est disponible publiquement depuis quelques jours, et les chercheurs en s\u00e9curit\u00e9 enregistrent d\u00e9j\u00e0 des vagues actives d\u2019attaques.  <\/span><\/p>\n<p><span style=\"font-weight: 400\">Veuillez noter : la simple mise \u00e0 jour n\u2019est pas suffisante dans ce cas \u2013 les entreprises concern\u00e9es doivent <\/span><b>agir \u00e0 court terme. <\/b> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ceb0f40 e-flex e-con-boxed e-con e-parent\" data-id=\"ceb0f40\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ffbdc12 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ffbdc12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-02dd0e9 e-flex e-con-boxed e-con e-parent\" data-id=\"02dd0e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-16d621d e-con-full e-flex e-con e-child\" data-id=\"16d621d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-89904c7 elementor-widget elementor-widget-text-editor\" data-id=\"89904c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Que s\u2019est-il pass\u00e9 ?<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fae461d e-con-full e-flex e-con e-child\" data-id=\"fae461d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f04793 elementor-widget elementor-widget-text-editor\" data-id=\"0f04793\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">La vuln\u00e9rabilit\u00e9 porte l\u2019identifiant CVE-2026-50522. Ils permettent aux attaquants d\u2019ex\u00e9cuter \u00e0 distance du code malveillant sur un serveur SharePoint. Dans le pire des cas, une seule requ\u00eate pr\u00e9par\u00e9e via Internet suffit, sans aucun compte utilisateur ni connexion.  <\/span><\/p>\n<p><span style=\"font-weight: 400\">Microsoft a d\u00e9j\u00e0 ferm\u00e9 la vuln\u00e9rabilit\u00e9 le 14 juillet 2026 avec une mise \u00e0 jour de s\u00e9curit\u00e9. Cependant, depuis le 20 juillet, un code d\u2019attaque termin\u00e9 est disponible publiquement, et les chercheurs en s\u00e9curit\u00e9 observent depuis lors des tentatives d\u2019attaque actives sur des serveurs non patch\u00e9s. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Particuli\u00e8rement important : les attaquants tentent de capturer les soi-disant <\/span><b>cl\u00e9s machines<\/b><span style=\"font-weight: 400\">, des cl\u00e9s num\u00e9riques avec lesquelles ils peuvent acc\u00e9der de fa\u00e7on permanente au serveur m\u00eame apr\u00e8s une mise \u00e0 jour ult\u00e9rieure. Installer la seule mise \u00e0 jour ne suffit donc pas \u00e0 s\u00e9curiser les serveurs d\u00e9j\u00e0 affect\u00e9s.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-54c68ef e-flex e-con-boxed e-con e-parent\" data-id=\"54c68ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96849ac elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"96849ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-174b215 e-flex e-con-boxed e-con e-parent\" data-id=\"174b215\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e560a6b e-con-full e-flex e-con e-child\" data-id=\"e560a6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-013b67e elementor-widget elementor-widget-text-editor\" data-id=\"013b67e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Comment fonctionne l\u2019attaque ?  <\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a72ed48 e-con-full e-flex e-con e-child\" data-id=\"a72ed48\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db8754f elementor-widget elementor-widget-text-editor\" data-id=\"db8754f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">L\u2019attaque vise sp\u00e9cifiquement la fonction de connexion des serveurs SharePoint accessibles depuis Internet. Dans ce cas, les attaquants envoient une requ\u00eate sp\u00e9cialement con\u00e7ue au serveur, que celui-ci traite incorrectement, ce qui fait que le code inject\u00e9 est ex\u00e9cut\u00e9. Si cette premi\u00e8re \u00e9tape r\u00e9ussit, les attaquants s\u2019emparent des cl\u00e9s machines du serveur lors d\u2019une seconde \u00e9tape et s\u00e9curisent ainsi un acc\u00e8s permanent qui survivra \u00e0 une mise \u00e0 jour ult\u00e9rieure. Puisqu\u2019aucune connexion utilisateur n\u2019est requise pour ce processus, tous les serveurs non patch\u00e9s accessibles depuis Internet sont en danger.     <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-54465d1 e-flex e-con-boxed e-con e-parent\" data-id=\"54465d1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d02be9e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d02be9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d3f9227 e-flex e-con-boxed e-con e-parent\" data-id=\"d3f9227\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6059711 e-con-full e-flex e-con e-child\" data-id=\"6059711\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26eea72 elementor-widget elementor-widget-text-editor\" data-id=\"26eea72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Qu\u2019est-ce qui est affect\u00e9 ? <\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-724b6c6 e-con-full e-flex e-con e-child\" data-id=\"724b6c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f0c2fb4 elementor-widget elementor-widget-text-editor\" data-id=\"f0c2fb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">La vuln\u00e9rabilit\u00e9 ne concerne que les serveurs SharePoint autonomes (\u00ab sur site \u00bb) :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">SharePoint Enterprise Server 2016<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">SharePoint Server 2019<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">\u00c9dition d\u2019abonnement SharePoint Server<\/span><\/li>\n<\/ul>\n<p> <\/p>\n<p><b>SharePoint Online (la variante cloud de Microsoft 365) n\u2019est pas affect\u00e9.  <\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9e25b00 e-flex e-con-boxed e-con e-parent\" data-id=\"9e25b00\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67b2d4e elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"67b2d4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c28550e e-flex e-con-boxed e-con e-parent\" data-id=\"c28550e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b5ac00b e-con-full e-flex e-con e-child\" data-id=\"b5ac00b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4467aca elementor-widget elementor-widget-text-editor\" data-id=\"4467aca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Comment puis-je me prot\u00e9ger ? <\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-990ca5f e-con-full e-flex e-con e-child\" data-id=\"990ca5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56e453f elementor-widget elementor-widget-text-editor\" data-id=\"56e453f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Nous recommandons aux entreprises utilisant les versions concern\u00e9es de prendre les mesures suivantes :<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400\"><b>Installez la mise \u00e0 jour de s\u00e9curit\u00e9.<\/b><span style=\"font-weight: 400\"> Assurez-vous que la mise \u00e0 jour du 14 juillet 2026 <\/span> est install\u00e9e sur <i><span style=\"font-weight: 400\">tous<\/span><\/i><span style=\"font-weight: 400\"> les serveurs de vos environnements SharePoint, pas seulement sur le serveur accessible depuis l\u2019ext\u00e9rieur. Si vous exploitez plusieurs serveurs SharePoint dans un r\u00e9seau (\u00ab ferme \u00bb), chacun doit \u00eatre mis \u00e0 jour, sinon l\u2019\u00e9cart subsistera entre les serveurs non patch\u00e9s.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Renouveler les cl\u00e9s d\u2019acc\u00e8s (cl\u00e9s machine).<\/b><span style=\"font-weight: 400\"> Ces cl\u00e9s sont utilis\u00e9es par SharePoint pour s\u00e9curiser les sessions. S\u2019ils ont d\u00e9j\u00e0 \u00e9t\u00e9 vol\u00e9s avant le patch, ils restent valides apr\u00e8s la mise \u00e0 jour et continuent d\u2019autoriser l\u2019acc\u00e8s. Votre fournisseur de services informatiques ou service peut r\u00e9g\u00e9n\u00e9rer et distribuer ces cl\u00e9s via SharePoint Central Administration ou PowerShell. En cas de doute, demandez sp\u00e9cifiquement si cette \u00e9tape a d\u00e9j\u00e0 \u00e9t\u00e9 franchie \u2013 elle est facilement n\u00e9glig\u00e9e lors du patch.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Restreignez l\u2019acc\u00e8s depuis l\u2019ext\u00e9rieur.<\/b><span style=\"font-weight: 400\">  Tant que la mise \u00e0 jour n\u2019a pas encore \u00e9t\u00e9 install\u00e9e sur tous les serveurs, l\u2019acc\u00e8s aux pages de connexion SharePoint devrait \u00eatre autant que possible depuis l\u2019ext\u00e9rieur, par exemple via le pare-feu ou un VPN, afin que seules les adresses connues et fiables puissent y acc\u00e9der.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Faites v\u00e9rifier les anomalies.<\/b><span style=\"font-weight: 400\"> Demandez \u00e0 votre fournisseur de services informatiques ou au service informatique de v\u00e9rifier les journaux d\u2019acc\u00e8s des serveurs SharePoint pour la p\u00e9riode du 17 juillet 2026. Pr\u00eatez une attention particuli\u00e8re \u00e0 : un nombre inhabituellement \u00e9lev\u00e9 ou de formes de connexion inhabituelles, des tentatives de connexion provenant d\u2019adresses IP inconnues ou \u00e9trang\u00e8res en dehors des heures d\u2019utilisation normales, ainsi qu\u2019aux nouveaux comptes utilisateurs ou acc\u00e8s administratifs que personne dans l\u2019\u00e9quipe n\u2019a initi\u00e9s. Il est \u00e9galement utile de le comparer aux instructions du fabricant pour les caract\u00e9ristiques d\u2019attaque connues (indicateurs de compromission) par un prestataire de services de s\u00e9curit\u00e9 informatique si vous ne savez pas exactement quoi rechercher.<\/span><\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a2790c7 e-flex e-con-boxed e-con e-parent\" data-id=\"a2790c7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d4feb2c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d4feb2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7faf510 e-flex e-con-boxed e-con e-parent\" data-id=\"7faf510\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9a087a2 e-con-full e-flex e-con e-child\" data-id=\"9a087a2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a4eba5 elementor-widget elementor-widget-text-editor\" data-id=\"4a4eba5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Conclusion  <\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f63aea7 e-con-full e-flex e-con e-child\" data-id=\"f63aea7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e249ee4 elementor-widget elementor-widget-text-editor\" data-id=\"e249ee4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">CVE-2026-50522 est un exemple de la rapidit\u00e9 avec laquelle une vuln\u00e9rabilit\u00e9 ferm\u00e9e peut redevenir un risque majeur : un correctif disponible ne prot\u00e8ge que s\u2019il est install\u00e9 sur tous les plateaux \u2013 et m\u00eame dans ce cas, le risque demeure que les cl\u00e9s d\u2019acc\u00e8s aient d\u00e9j\u00e0 \u00e9t\u00e9 vol\u00e9es avant la mise \u00e0 jour.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Une priorit\u00e9 claire est donc importante, surtout pour les PME qui n\u2019ont pas un grand service interne de s\u00e9curit\u00e9 informatique : installer des mises \u00e0 jour, faire pivoter les cl\u00e9s machines, restreindre l\u2019acc\u00e8s externe et faire v\u00e9rifier leurs propres syst\u00e8mes pour d\u00e9tecter des anomalies. Ceux qui mettent en \u0153uvre ces mesures maintenant ne feront pas que combler l\u2019\u00e9cart actuel, mais r\u00e9duiront aussi le risque d\u2019\u00eatre affect\u00e9s par des attaques de suivi dans les semaines \u00e0 venir \u2013 les serveurs SharePoint sont de plus en plus cibl\u00e9s par les attaquants. <\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Si vous avez des questions sur la mise en \u0153uvre, n\u2019h\u00e9sitez pas \u00e0 nous contacter.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Votre \u00e9quipe Perseus<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8530d6c e-flex e-con-boxed e-con e-parent\" data-id=\"8530d6c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3bbb54c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3bbb54c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2d97c9 elementor-widget elementor-widget-text-editor\" data-id=\"f2d97c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><i>Souhaitez-vous rester inform\u00e9 des menaces actuelles et des vuln\u00e9rabilit\u00e9s de s\u00e9curit\u00e9 ?<\/i><\/p>\n<p><i>Abonnez-vous \u00e0 notre newsletter et recevez directement dans votre bo\u00eete mail les avertissements importants, recommandations d\u2019action et \u00e9valuations des risques cybern\u00e9tiques actuels.<\/i><\/p>\n<p> <\/p>\n<p><b>Sources et informations compl\u00e9mentaires<\/b><\/p>\n<ul>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Guide de mise \u00e0 jour de s\u00e9curit\u00e9 Microsoft, CVE-2026-50522 : <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-50522\">https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-50522<\/a><\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">SOCRadar, \u00ab CVE-2026-50522 PoC alimente les attaques SharePoint \u00bb : <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/socradar.io\/blog\/cve-2026-50522-poc-fuels-sharepoint-attacks\/\">https:\/\/socradar.io\/blog\/cve-2026-50522-poc-fuels-sharepoint-attacks\/<\/a><\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">The Hacker News, \u00ab SharePoint RCE critique CVE-2026-50522 sous exploitation active apr\u00e8s des points de couleur publics \u00bb : <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/thehackernews.com\/2026\/07\/critical-sharepoint-rce-cve-2026-50522.html\">https:\/\/thehackernews.com\/2026\/07\/critical-sharepoint-rce-cve-2026-50522.html<\/a><\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Aide \u00e0 la s\u00e9curit\u00e9 du net, \u00ab Un autre RCE SharePoint exploit\u00e9 : Patchez, puis faites pivoter vos cl\u00e9s de machine \u00bb : <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/www.helpnetsecurity.com\/2026\/07\/22\/sharepoint-cve-2026-50522-exploited\/\">https:\/\/www.helpnetsecurity.com\/2026\/07\/22\/sharepoint-cve-2026-50522-exploited\/<\/a><\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">BleepingComputer, \u00ab Faille critique de SharePoint RCE exploit\u00e9e pour voler des cl\u00e9s de machine \u00bb : <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/critical-sharepoint-rce-flaw-exploited-to-steal-machine-keys\/\">https:\/\/www.bleepingcomputer.com\/news\/security\/critical-sharepoint-rce-flaw-exploited-to-steal-machine-keys\/<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9f86355 e-flex e-con-boxed e-con e-parent\" data-id=\"9f86355\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dd90633 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dd90633\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Une vuln\u00e9rabilit\u00e9 s\u00e9rieuse a \u00e9t\u00e9 identifi\u00e9e dans Microsoft SharePoint Server qui permet aux attaquants de prendre le contr\u00f4le d\u2019un serveur avec relativement peu d\u2019efforts.  <\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-30011","post","type-post","status-publish","format-standard","hentry","category-gefahrenwarnung"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"Une vuln\u00e9rabilit\u00e9 s\u00e9rieuse a \u00e9t\u00e9 identifi\u00e9e dans Microsoft SharePoint Server qui permet aux attaquants de prendre le contr\u00f4le d\u2019un serveur avec relativement peu d\u2019efforts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/\" \/>\n<meta property=\"og:site_name\" content=\"Perseus Technologies\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-24T12:43:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-10T08:18:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anastasia Pamoukis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anastasia Pamoukis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/\"},\"author\":{\"name\":\"Anastasia Pamoukis\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#\\\/schema\\\/person\\\/6c87a2feea6439d0ead16c8f0f07e40b\"},\"headline\":\"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e\",\"datePublished\":\"2026-07-24T12:43:45+00:00\",\"dateModified\":\"2026-08-10T08:18:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/\"},\"wordCount\":1091,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Coverbild-Gefahrenwarnung_FR-1024x256.png\",\"articleSection\":[\"Gefahrenwarnung\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/\",\"url\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/\",\"name\":\"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Coverbild-Gefahrenwarnung_FR-1024x256.png\",\"datePublished\":\"2026-07-24T12:43:45+00:00\",\"dateModified\":\"2026-08-10T08:18:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#primaryimage\",\"url\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Coverbild-Gefahrenwarnung_FR-1024x256.png\",\"contentUrl\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Coverbild-Gefahrenwarnung_FR-1024x256.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/perseus.de\\\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/perseus.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#website\",\"url\":\"https:\\\/\\\/perseus.de\\\/\",\"name\":\"perseus-web.de\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/perseus.de\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#organization\",\"name\":\"perseus-web.de\",\"url\":\"https:\\\/\\\/perseus.de\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/PerseusTechnologie_Color-2.png\",\"contentUrl\":\"https:\\\/\\\/perseus.de\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/PerseusTechnologie_Color-2.png\",\"width\":536,\"height\":172,\"caption\":\"perseus-web.de\"},\"image\":{\"@id\":\"https:\\\/\\\/perseus.de\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/perseus.de\\\/#\\\/schema\\\/person\\\/6c87a2feea6439d0ead16c8f0f07e40b\",\"name\":\"Anastasia Pamoukis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g\",\"caption\":\"Anastasia Pamoukis\"},\"sameAs\":[\"https:\\\/\\\/perseus.de\"],\"url\":\"https:\\\/\\\/perseus.de\\\/fr\\\/author\\\/anastasia-pamoukis\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/","og_locale":"fr_FR","og_type":"article","og_title":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies","og_description":"Une vuln\u00e9rabilit\u00e9 s\u00e9rieuse a \u00e9t\u00e9 identifi\u00e9e dans Microsoft SharePoint Server qui permet aux attaquants de prendre le contr\u00f4le d\u2019un serveur avec relativement peu d\u2019efforts.","og_url":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/","og_site_name":"Perseus Technologies","article_published_time":"2026-07-24T12:43:45+00:00","article_modified_time":"2026-08-10T08:18:34+00:00","og_image":[{"width":1200,"height":300,"url":"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR.png","type":"image\/png"}],"author":"Anastasia Pamoukis","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Anastasia Pamoukis","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#article","isPartOf":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/"},"author":{"name":"Anastasia Pamoukis","@id":"https:\/\/perseus.de\/#\/schema\/person\/6c87a2feea6439d0ead16c8f0f07e40b"},"headline":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e","datePublished":"2026-07-24T12:43:45+00:00","dateModified":"2026-08-10T08:18:34+00:00","mainEntityOfPage":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/"},"wordCount":1091,"commentCount":0,"publisher":{"@id":"https:\/\/perseus.de\/#organization"},"image":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#primaryimage"},"thumbnailUrl":"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png","articleSection":["Gefahrenwarnung"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/","url":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/","name":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e - Perseus Technologies","isPartOf":{"@id":"https:\/\/perseus.de\/#website"},"primaryImageOfPage":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#primaryimage"},"image":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#primaryimage"},"thumbnailUrl":"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png","datePublished":"2026-07-24T12:43:45+00:00","dateModified":"2026-08-10T08:18:34+00:00","breadcrumb":{"@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#primaryimage","url":"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png","contentUrl":"https:\/\/perseus.de\/wp-content\/uploads\/2026\/07\/Coverbild-Gefahrenwarnung_FR-1024x256.png"},{"@type":"BreadcrumbList","@id":"https:\/\/perseus.de\/kritische-warnung-an-sharepoint-nutzer-sicherheitsluecke-wird-aktiv-angegriffen\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/perseus.de\/"},{"@type":"ListItem","position":2,"name":"Avertissement critique pour les utilisateurs de SharePoint : la vuln\u00e9rabilit\u00e9 est activement attaqu\u00e9e"}]},{"@type":"WebSite","@id":"https:\/\/perseus.de\/#website","url":"https:\/\/perseus.de\/","name":"perseus-web.de","description":"","publisher":{"@id":"https:\/\/perseus.de\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/perseus.de\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/perseus.de\/#organization","name":"perseus-web.de","url":"https:\/\/perseus.de\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/perseus.de\/#\/schema\/logo\/image\/","url":"https:\/\/perseus.de\/wp-content\/uploads\/2025\/03\/PerseusTechnologie_Color-2.png","contentUrl":"https:\/\/perseus.de\/wp-content\/uploads\/2025\/03\/PerseusTechnologie_Color-2.png","width":536,"height":172,"caption":"perseus-web.de"},"image":{"@id":"https:\/\/perseus.de\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/perseus.de\/#\/schema\/person\/6c87a2feea6439d0ead16c8f0f07e40b","name":"Anastasia Pamoukis","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/88febef1895859fc3a543c774ae6bc44cde0f02199f7f792af67eaf196406342?s=96&d=mm&r=g","caption":"Anastasia Pamoukis"},"sameAs":["https:\/\/perseus.de"],"url":"https:\/\/perseus.de\/fr\/author\/anastasia-pamoukis\/"}]}},"_links":{"self":[{"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/posts\/30011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/comments?post=30011"}],"version-history":[{"count":4,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/posts\/30011\/revisions"}],"predecessor-version":[{"id":30054,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/posts\/30011\/revisions\/30054"}],"wp:attachment":[{"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/media?parent=30011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/categories?post=30011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perseus.de\/fr\/wp-json\/wp\/v2\/tags?post=30011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}