Patch intelligence record
Windows 11 26H1 (Build 28000.3231)
Too few reports for a verdict yet.
- Accepted reports
- 0
- Latest evidence run
- Not recorded
- Healthy sources
- 0 fresh (success / no reports) · need 2
Monitoring reflects community-evidence collection health for this exact release — an absence of reports is not a safety guarantee, and this is separate from the AUXSAYS verdict.
Vendor Known Issues — 2 active vendor-known issues
2 active 6 resolved
Official vendor Release Health status. Not counted as community reports. Official source ↗
Official Patch Notes — vendor release notes captured from the official source
Windows 11 26H1 cumulative update, OS build 28000.3231 (KB5127646). Released 2026-10-13 on the General Availability Channel. Update type 2026-10 B. This is the official Microsoft Windows release-health entry (learn.microsoft.com/windows/release-health). Known-issue and safeguard-hold details are published on the per-version Windows release-health status page. Microsoft Release Health status (official) for Windows 11.
Windows 11 26H1 cumulative update, OS build 28000.3231 (KB5127646). Released 2026-10-13 on the General Availability Channel. Update type 2026-10 B. This is the official Microsoft Windows release-health entry (learn.microsoft.com/windows/release-health). Known-issue and safeguard-hold details are published on the per-version Windows release-health status page.
Microsoft Release Health status (official) for Windows 11 26H1: 2 active known issue(s), 6 resolved, 0 safeguard hold(s). Source: official Microsoft Windows release-health status page. This is vendor-published operational status, not user reports.
- Resolved: Devices might experience a black screen or desktop loading issues after sign-in Microsoft has received reports of this issue occurring in some virtual desktop environments. — status Resolved KB5127646; originating OS Build 28000.2804 KB5120996; last updated 2026-10-13 10:13 PT; resolved by KB5127646.
- Active: Remote Desktop connections might fail for non-admin users with error 0xC000000D This issue affects non-admin users connecting through Remote Desktop with Administrator protection enabled. — status Mitigated; originating OS Build 28000.3086 KB5124006; last updated 2026-10-13 10:13 PT.
- Resolved: Domain-joined devices might lose their secure trust relationship with the domain Some Credential Guard protected machine accounts might be unable to sign in interactively will valid domain credentials. — status Resolved KB5124006; originating OS Build 28000.2954 KB5124012; last updated 2026-10-08 17:44 PT; resolved by KB5124006.
- Resolved: Incorrect notifications that “Microsoft Defender Antivirus is turned off” Microsoft Defender Antivirus remains active and functioning correctly despite notifications following the latest update. — status Resolved; originating N/A; last updated 2026-09-30 16:42 PT.
- Active: USB audio devices might fail to start or produce no sound Some USB Audio Class 1.0 devices display Code 10 or fail in multichannel audio modes after installing the Sept. 8 update — status Mitigated; originating OS Build 28000.2954 KB5124012; last updated 2026-09-29 10:12 PT.
- Resolved: Remote Desktop Services might stop responding after Sept. 2026 security update Some Windows devices with Remote Desktop enabled might experience Remote Desktop Services (RDS) instability. — status Resolved KB5129194; originating OS Build 28000.2954 KB5124012; last updated 2026-09-17 19:22 PT; resolved by KB5129194.
- …and 2 more known issue(s) on the official status page.
Technical Details
- Released
- Oct 13, 2026
- File size
- Not provided by source
- Official source checked
- Oct 14, 2026
- Official notes checked
- Oct 14, 2026
User Reports / Sources (0)
No user report sources have been counted for this record yet.
Official sources
- Microsoft. (2026, October 13). Windows 11 release information.release health
- Microsoft. (2026, October 13). Windows release health.release health