Microsoft Brokering File System Elevation of Privilege Vulnerability

HighVendor CVSS 7.0 / 10 1 CVE Published Jul 14, 2026 at 7:00 AM UTC

Summary

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Install KB5099536. Install KB5101650. Install KB5101649.

Jul 14, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 14, 2026 at 7:00 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 2, 2026 at 11:20 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 9:50 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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