Windows · Patchstand
11.08.2026Action requiredSecurity
Windows 11 24H2: Security Update im Detail
KB5121003 aktualisiert Windows 11 24H2 auf Build 26100.9168.
What changed
Das Juli LCU enthält die aktuellen Security Fixes und die von Microsoft dokumentierten Quality Fixes für Windows 11 24H2.
Technical details
- Security: August security fixes
- Secure Boot: expanded high-confidence targeting for new certificates
- AI components: Image Search, Content Extraction, Semantic Analysis and Settings Model to 1.2605.856.0
- Servicing stack: KB5123304 to build 26100.9156
Why it matters
Der Zielbuild ist die operative Grundlage für Patch Compliance, Pilot Rings, Wartungsfenster und Referenzimages.
Known limitations
- Microsoft currently reports no known issue
- Windows 11 24H2 Home and Pro reach end of updates on 13 October 2026
- Dynamic Update media requires the matching boot.stl file
Now check
- Deploy KB5121003 to the 24H2 pilot ring
- Validate Secure Boot certificate and Dynamic Update media readiness
- Report build 26100.9168