Windows Server vulnerability can grant system privileges with just a malformed packet — domain controllers are being exploited in the wild
A critical vulnerability in Windows Server, identified as CVE-2026-41089, allows unauthenticated network users to gain system privileges by sending a malformed UDP packet to domain controllers. This flaw affects versions from 2012 to the current release and exploits the Netlogon service through a buffer overflow. While Microsoft released a patch on May 12, the vulnerability is reportedly being exploited in the wild, posing a significant risk to enterprise networks. AI
IMPACT System administrators must immediately patch Windows Server domain controllers to prevent network-wide compromise.