Microsoft Windows 10 KB5078885 extended security update
Security Patch Release
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Microsoft released Windows 10 KB5078885, an extended security update that fixes 79 vulnerabilities in Windows 10, including 2 actively exploited zero-days and a shutdown/hibernation issue. The update is the security-only March 2026 Patch Tuesday release for Windows 10 Enterprise LTSC and ESU-enrolled systems. It also advances systems to build 19045.7058 on Windows 10 and 19044.7058 on Windows 10 Enterprise LTSC 2021.
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Timeline
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10.03.2026 20:23 2 articles · 4mo ago
Microsoft releases Windows 10 KB5078885 extended security update
Initial DisclosureMicrosoft released Windows 10 KB5078885 for Windows 10 Enterprise LTSC and ESU-enrolled systems, fixing 79 vulnerabilities in the March 2026 Patch Tuesday set, including 2 actively exploited zero-day flaws and a shutdown or hibernation issue affecting some Secure Launch-capable PCs with Virtual Secure Mode enabled. The update is security-only, advances Windows 10 to build 19045.7058 and Windows 10 Enterprise LTSC 2021 to build 19044.7058, and continues the rollout of new Secure Boot certificates to replace older 2011 certificates before they expire in June 2026.
Show sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23