Microsoft has disclosed a maximum-severity security vulnerability in Microsoft Entra ID that was exploited in real-world attacks before the company completed a cloud-side fix, raising significant questions about the exposure of one of the most consequential identity platforms used by businesses, governments, and public-sector organizations worldwide.<\/p>\n\n\n\n
The vulnerability, tracked as CVE-2026-69836<\/a>, carries a CVSS severity score of 10.0 and could allow an unauthorized attacker to execute code remotely over a network. Microsoft attributed the issue to the deserialization of untrusted data, a class of software weakness that can enable maliciously crafted input to manipulate an application\u2019s execution.<\/p>\n\n\n(2) Microsoft Confirms Maximum-Severity Entra ID Vulnerability Exploited In Attacks | LinkedIn<\/a>: Microsoft Confirms Maximum-Severity Entra ID Vulnerability Exploited In Attacks<\/span><\/a>","protected":false},"excerpt":{"rendered":" Microsoft has disclosed a maximum-severity security vulnerability in Microsoft Entra ID that was exploited in real-world attacks before the company completed a cloud-side fix, raising significant questions about the exposure of one of the most consequential identity platforms used by businesses, governments, and public-sector organizations worldwide. The vulnerability, tracked as…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,17],"tags":[72],"class_list":["post-1185","post","type-post","status-publish","format-standard","hentry","category-cybersecurity","category-vulnerability","tag-72"],"_links":{"self":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/comments?post=1185"}],"version-history":[{"count":1,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1185\/revisions"}],"predecessor-version":[{"id":1186,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/1185\/revisions\/1186"}],"wp:attachment":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/media?parent=1185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/categories?post=1185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/tags?post=1185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}