Take Action: Out-of-band update released to address issues from the September 2026 Windows security update
Microsoft published this post on Windows message center.
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take-action-out-of-band-update-released-to-address-issues-from-the-sep- Products
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Microsoft says
Microsoft has identified issues that affect some devices after installing the September 2026 Windows security update, released September 8, 2026.
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Related changes
Mentioning the same Microsoft ids
- Windows Secure Kernel Mode Elevation of Privilege Vulnerability
- Windows User-Mode Power Service (UMPS) Elevation of Privilege Vulnerability
- KB5129194: 2026-09 OOB update of 2026-09-14
- KB5129195: 2026-09 OOB update of 2026-09-14
- KB5129235: 2026-09 OOB update of 2026-09-14
- KB5129236: 2026-09 OOB update of 2026-09-14
- KB5129237: 2026-09 OOB update of 2026-09-14
- KB5129238: 2026-09 OOB update of 2026-09-14
- KB5129239: 2026-09 OOB update of 2026-09-14
- KB5129242: 2026-09 OOB update of 2026-09-14
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