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Zero-Day Vulnerabilities

Microsoft’s March Patch Tuesday Delivers Windows 11 KB5079473 Features and Windows 10 KB5078885 Security Fixes

Microsoft is gating features with controlled rollout, which means availability will vary by device.

Microsoft Issues Emergency Patches for Exploited Office Zero-Day CVE-2026-21509

Microsoft’s December Patch Tuesday Fixes 57 Flaws, Including Exploited Windows Zero-Day

Microsoft Issues Emergency Windows 10 Update to Fix ESU Enrollment as First ESU Patch Rolls Out

Microsoft Ends Windows 10 Support, Pushing Users to Upgrade or Enroll in ESU

Microsoft’s September Patch Tuesday Fixes 80–86 Flaws, Two Disclosed Zero-Days, No Active Exploits

Microsoft Reissues June 2025 Patch Tuesday Update After Easy Anti-Cheat Compatibility Issue