Active Exploitation of Critical Netlogon Flaw Prompting Immediate Patch urged
TL;DR Summary
Belgium’s national cybersecurity authority warns threat actors are actively exploiting CVE-2026-41089, a critical Netlogon vulnerability patched in May 2026, to achieve remote code execution on domain controllers across all supported Windows Server versions; admins should patch immediately as exploitation is underway and advisories from Microsoft have not yet been updated.
- Critical Windows Netlogon RCE flaw now exploited in attacks BleepingComputer
- Windows Netlogon 0-Click RCE Vulnerability Now Actively Exploited In The Wild CyberSecurityNews
- Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) Help Net Security
- Windows Netlogon 0-Click RCE Flaw Exploited in the Wild cyberpress.org
- Windows Netlogon 0-Click RCE Vulnerability Under Active Exploitation gbhackers.com
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