.NET Elevation of Privilege Vulnerability

HighVendor CVSS 7.8 / 10 1 CVE Published Aug 11, 2026 at 7:00 AM UTC

Summary

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

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Install KB5122106. Install KB5122104. Install KB5122105.

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Aug 11, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 20, 2026 at 6:50 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

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