Microsoft Releases Windows 10 KB5078885 Extended Security Update
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Microsoft has released the Windows 10 KB5078885 extended security update to address vulnerabilities disclosed during the March 2026 Patch Tuesday. The update fixes two actively exploited zero-days and resolves an issue preventing some devices from shutting down. The update is available for Windows 10 Enterprise LTSC and devices enrolled in the Extended Security Updates (ESU) program. The update addresses 79 vulnerabilities, including security fixes and bug fixes introduced by previous updates. It also includes improvements to File History, Graphics, Secure Boot, and Fonts. Microsoft is rolling out new Secure Boot certificates to replace older 2011 certificates that expire in June 2026.
Timeline
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10.03.2026 20:23 1 articles · 17h ago
Microsoft Releases Windows 10 KB5078885 Extended Security Update
Microsoft has released the Windows 10 KB5078885 extended security update to address vulnerabilities disclosed during the March 2026 Patch Tuesday. The update fixes two actively exploited zero-days and resolves an issue preventing some devices from shutting down. The update is available for Windows 10 Enterprise LTSC and devices enrolled in the Extended Security Updates (ESU) program.
Show sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23
Information Snippets
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The KB5078885 update fixes two actively exploited zero-day vulnerabilities.
First reported: 10.03.2026 20:231 source, 1 articleShow sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23
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The update resolves an issue preventing some devices from shutting down or hibernating if System Guard Secure Launch is enabled.
First reported: 10.03.2026 20:231 source, 1 articleShow sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23
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The update includes improvements to File History, Graphics, Secure Boot, and Fonts.
First reported: 10.03.2026 20:231 source, 1 articleShow sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23
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Microsoft is rolling out new Secure Boot certificates to replace older 2011 certificates that expire in June 2026.
First reported: 10.03.2026 20:231 source, 1 articleShow sources
- Microsoft releases Windows 10 KB5078885 extended security update — www.bleepingcomputer.com — 10.03.2026 20:23