Windows 11 · 26H1 · Release
Security Update for Windows 11 (28000.1199)
- Release
- Cumulative update
- amd64
- arm64
Windows 11 26H1: Ships on new silicon only
AI summary
Writing the summary for this build…
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 28000.1199 and describe a fault appear here automatically.
In the news
- Coverage Windows 11 Canary Build 28000.1199 (26H1) Platform Baseline for Silicon
- Coverage Windows 11 26H1 Canary Build 28000.1199: Platform Enablement for Arm Silicon
- Coverage Windows 11 Insider Canary Build 28000.1199: Small fast experimental updates
- Coverage Windows 11 26H1 Canary Build 28020.1362: UI polish and silicon enablement
- Coverage Windows 11 Insider November Wave: 25H2 UI, 26H1 Platform, and Agentic AI
- Fix Windows 11 Canary Build 28000.1340 Fixes Storage Spaces and S2D Cluster Reliability
- Coverage Windows 11 Canary Build 28000.1340: Platform Baseline for Next‑Gen Arm Silicon
- Fix Windows 11 Canary Build 28000.1340 KB5072032: Storage Spaces Fix and Platform Baseline
Discussed on the forum
No member thread names 28000.1199 yet.