A recently patched critical vulnerability in Windows Netlogon (CVE-2026-41089) is now being actively exploited by attackers, allowing them to execute remote code on affected domain controllers without prior access. Belgium's national cybersecurity authority has urged administrators to promptly apply patches to vulnerable servers.
The most valuable insight for you is that the critical Windows Netlogon RCE vulnerability (CVE-2026-41089) is being actively exploited in the wild, underscoring the need for immediate action. Beyond patching, it is crucial to implement multifactor authentication for admin sessions, segment networks, monitor Netlogon RPC activity, and rigorously test patches in a controlled environment before widespread deployment, emphasizing a zero trust approach to enhance your organization's security posture.