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KB5129241

Security update fixing 1 CVE

Support article Update Catalog CVEs in Security CVE list for a ticket
0Windows versions
1CVEs fixed · 0 critical
0Exploited or in CISA KEV
0Open known issues affecting it
YesRestart required (per MSRC)

Known issues in this update

Windows release health

No known issues listed

Windows release health lists no issues from this KB or the update it builds on.

Issues this update resolves

No resolved issues listed

Windows release health names no issues fixed by this KB.

Security fixes

1 Microsoft CVE · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-62721 Windows User-Mode Power Service (UMPS) Elevation of Privilege VulnerabilityUser-Mode Power Service (UMPS) Important 7.80.3%Elevation of Privilege Revised 14 Sep
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