{"id":238154,"date":"2026-06-02T02:18:38","date_gmt":"2026-06-02T07:18:38","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/06\/critical-windows-netlogon-rce-flaw-now-exploited-in-attacks"},"modified":"2026-06-02T02:18:38","modified_gmt":"2026-06-02T07:18:38","slug":"critical-windows-netlogon-rce-flaw-now-exploited-in-attacks","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/06\/critical-windows-netlogon-rce-flaw-now-exploited-in-attacks","title":{"rendered":"Critical Windows Netlogon RCE flaw now exploited in attacks"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/critical-windows-netlogon-rce-flaw-now-exploited-in-attacks.jpg\"><\/a><\/p>\n<p>The Centre for Cybersecurity Belgium (CCB), the country\u2019s national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks.<\/p>\n<p><a href=\"https:\/\/docs.microsoft.com\/en-us\/openspecs\/windows_protocols\/ms-nrpc\/ff8f970f-3e37-40f7-bd4b-af7336e4792f\" target=\"_blank\" rel=\"nofollow noopener\">Netlogon<\/a> is a remote procedure call (RPC) interface and a core Microsoft Windows Server background service that authenticates services and users on Windows domain-based networks.<\/p>\n<p>Microsoft patched this vulnerability (CVE-2026\u201341089) <a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/microsoft-may-2026-patch-tuesday-fixes-120-flaws-no-zero-days\/\" target=\"_blank\" rel=\"nofollow noopener\">during the May 2026 Patch Tuesday<\/a>, describing it as a stack-based buffer overflow in Windows Netlogon that allows attackers without privileges to gain remote code execution on targeted domain controllers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Centre for Cybersecurity Belgium (CCB), the country\u2019s national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks. Netlogon is a remote procedure call (RPC) interface and a core Microsoft Windows Server background service that authenticates services and users on Windows domain-based networks. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-238154","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=238154"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238154\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=238154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=238154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=238154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}