Microsoft releases Windows 10 KB5131096 extended security update
The update reaches build 19045.7846, or 19044.7846 on Enterprise LTSC 2021, and includes November Patch Tuesday fixes.
Microsoft released Windows 10 KB5131096 for Enterprise LTSC and devices enrolled in the Extended Security Update program. It bundles November 2026 Patch Tuesday fixes, which the report says addressed 1,235 vulnerabilities across Microsoft products, including one actively exploited Outlook zero-day. The package also fixes printer, Remote Desktop and remaining USB audio issues and tightens PowerShell script signature checks.
Unconfirmed: The report does not name the actively exploited Outlook zero-day or its CVE.
- Windows 10 updates to build 19045.7846; Enterprise LTSC 2021 to 19044.7846.
- Adding an Active Directory-published printer could fail with error 87 after October’s update.
- Remote Desktop shadowing could fail on Windows Server 2016 and 2012 R2 after October 14, 2026.
- Invalid UTF-8 in signed PowerShell scripts may now fail validation.
- Microsoft says remaining USB Audio Class 1.0 issues from September are fixed.
Impact: Includes fixes for an actively exploited Outlook zero-day
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 | — | build 19045.7846 |
| Microsoft Windows 10 Enterprise LTSC 2021 | — | build 19044.7846 |
| Microsoft Outlook | — | — |
- 1.Install KB5131096 from Windows Update on Windows 10 ESU or Enterprise LTSC systems.
- 2.Re-save affected signed PowerShell scripts as valid UTF-8 with a BOM and sign them again.
- Vendors
- Microsoft
From the original article
2 min read at bleepingcomputer.com
Microsoft released the Windows 10 KB5131096 extended security update, which includes this month's November 2026 Patch Tuesday fixes and a few bug fixes and changes. [...]
By Lawrence Abrams · bleepingcomputer.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.