Windows Hotpatch Monitoring Service Elevation of Privilege Vulnerability

HighVendor CVSS 7.8 / 10 1 CVE Published Jun 9, 2026 at 7:00 AM UTC

Summary

Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.

Install KB5094125. Install KB5094126. Install KB5095051.

Jun 9, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Jun 30, 2026 at 7:00 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 28, 2026 at 11:20 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Nov 11, 2026 at 2:20 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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