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Windows 11 November updates face installation issues

Microsoft released mandatory Windows 11 November updates for versions 26H2, 25H2, 24H2 and 23H2. It later confirmed installation failures on some devices with an October preview update, and repairs should complete within 24 to 48 hours from November 11.

Image from Illustration: Microsoft Confirms Windows 11 November Update Installation IssuesIllustration

The story so far

On November 10, 2026, Microsoft released mandatory Windows 11 cumulative updates for versions 26H2, 25H2, 24H2 and 23H2 to carry November Patch Tuesday fixes. The release added customization options, fixed minor File Explorer issues and a long-standing USB audio problem, and Microsoft said it was not aware of new issues.

On November 12, 2026, Microsoft confirmed that November 2026 security updates can fail on some Windows 11 devices that installed the October 2026 non-security preview update KB5127936. Affected devices may repeatedly attempt installation or show error codes 0x80070306, 0x800f0989, or 0x800f0993. Microsoft said repairs should complete within 24 to 48 hours from November 11, 2026, 10 a.m. PT, after which devices will automatically download and install the update.

Latest updates

2 updates · newest first
  1. 12 Nov
    New development

    Microsoft Confirms Windows 11 November Update Installation Issues

    Microsoft confirmed that November 2026 security updates can fail on some Windows 11 devices that installed the October 2026 non-security preview update KB5127936. Affected devices may repeatedly attempt installation or show error codes 0x80070306, 0x800f0989, or 0x800f0993. Microsoft said repairs should complete within 24 to 48 hours from November 11, 2026, 10 a.m. PT, after which devices will automatically download and install the update.

    SecurityWeek ↗
  2. 10 Nov
    New development

    Windows 11 November updates ship with Patch Tuesday fixes

    Microsoft released mandatory Windows 11 cumulative updates for versions 26H2, 25H2, 24H2 and 23H2 to carry November Patch Tuesday fixes. The release adds customization options, fixes minor File Explorer issues and a long-standing USB audio problem, and Microsoft said it was not aware of new issues.

    BleepingComputer ↗The Record ↗CyberScoop ↗

Key facts

Microsoft released mandatory Windows 11 cumulative updates for versions 26H2, 25H2, 24H2 and 23H2.Reported by BleepingComputer, The Record and CyberScoop
The November updates added customization options and fixed File Explorer and USB audio issues.Reported by BleepingComputer, The Record and CyberScoop
Microsoft said it was not aware of new issues with the November updates.Reported by BleepingComputer, The Record and CyberScoop
November 2026 security updates can fail on some Windows 11 devices with KB5127936.Reported by SecurityWeek
Affected devices may show error codes 0x80070306, 0x800f0989, or 0x800f0993.Reported by SecurityWeek
Microsoft said repairs should complete within 24 to 48 hours from November 11, 2026, 10 a.m. PT.Reported by SecurityWeek

What’s still unknown

How many Windows 11 devices are affected by the installation failures
Whether all affected devices will complete repairs within the stated window

All sources

4 articles
SecurityWeekNotion Customer Data Compromised in Fireworks AI Hack ↗ BleepingComputerWindows 11 KB5132061 & KB5131087 cumulative updates released ↗ The RecordMicrosoft’s Patch Tuesday surpasses 1,000 bugs for second month in a row ↗ CyberScoopMicrosoft fixes over 1,000 vulnerabilities in November Patch Tuesday ↗

In the daily editions

Microsoft Confirms Windows 11 November Update Installation IssuesCybersecurity · 12 Nov → Windows 11 November updates ship with Patch Tuesday fixesCybersecurity · 10 Nov →

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