Microsoft confirms November Windows 11 security updates fail to install
Original title: Microsoft confirms Windows security updates installation issues
Only devices that installed the October preview KB5127936 are affected; Microsoft says repairs arrive automatically within 48 hours.
Microsoft confirmed the November 2026 Windows security updates, including KB5132061, can fail on a limited set of Windows 11 devices that installed the October 2026 non-security preview KB5127936. Installations may stall and return 0x80070306, 0x800f0989, or 0x800f0993. The company said affected devices should self-repair within 24 to 48 hours from November 11, 2026, 10am PT, then download the update. Admins still seeing failures after 48 hours should contact Microsoft Support.
- Devices that never installed the October preview update are not affected.
- Microsoft said end users do not need to act to receive the repair.
- Earlier in 2026 Microsoft addressed separate Windows 11 update installation failures.
Impact: November security updates do not install on some Windows 11 devices
| Product | Affected |
|---|---|
| Microsoft Windows 11 | devices with October 2026 preview KB5127936 |
- 1.Wait for the automatic repair expected within 24 to 48 hours of November 11, 2026, 10am PT.
- 2.Contact Microsoft Support if installation failures continue after 48 hours.
From the original article
2 min read at bleepingcomputer.com
Microsoft has confirmed reports that the November 2026 security updates are failing to install on Windows 11 systems with the October preview update. [...]
By Sergiu Gatlan · 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.