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Windows 10 KB5075912 February 2026 Patch Tuesday update

Security Patch Release
First reported
Last updated
Happening score
H score 37
2 unique sources, 2 articles

Summary

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Microsoft released Windows 10 KB5075912 for February 2026 Patch Tuesday, delivering security fixes for 58 vulnerabilities including six actively exploited zero-days. The update also continues the phased replacement of expiring Secure Boot certificates on targeted systems. It applies to Windows 10 Enterprise LTSC and devices enrolled in the ESU program. The rollout matters because expired certificates could let attackers bypass Secure Boot protections.

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Timeline

  1. 10.02.2026 21:06 3 articles · 3mo ago

    Microsoft releases Windows 10 KB5075912

    Mitigation Patch Update

    Microsoft released Windows 10 KB5075912 for Windows 10 Enterprise LTSC and ESU-enrolled devices, delivering security and bug fixes for 58 vulnerabilities including six actively exploited zero-day flaws, updating systems to build 19045.6937 or 19044.6937, resolving a shutdown or hibernation issue tied to System Guard Secure Launch and Virtual Secure Mode (VSM), and beginning a phased rollout of replacement Secure Boot certificates ahead of their June 2026 expiration.

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