Windows · Fixed build
10.0.28000.2956
MSRC advisoryWindows build 10.0.28000.2956, released on 2026-09-08, fixes 2 CVE, deployed across 1 SKUs.
- Published on
- 2026-09-08
- SKUs covered
- 1
- CVEs fixed
- 2
- CISA KEV
- 0
1 critical · 1 high
Windows SKUs covered by this build
The SKUs below share this MSRC build number. Deploying the corresponding KB secures all of them at once.
CVEs fixed by this build
| CVE |
|---|
|
CVE-2026-85921
CRITICAL 8.2
Windows Secure Kernel Mode Elevation of Privilege Vulnerability |
|
CVE-2026-62721
HIGH 7.8
Insufficient granularity of access control in User-Mode Power Service (UMPS) allows an authorized attacker to elevate privileges locally. |