.NET SDK Elevation of Privilege Vulnerability

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

Summary

Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

Install KB5097148. Install KB5097149. Install KB5097150.

Update history

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Nov 11, 2026 at 2:20 AM UTC
- Added affected products: .NET 8.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows, .NET 10.0 runtime installed on Windows.
- Removed affected products: .NET 8.0 installed on Windows, .NET 9.0 installed on Windows, .NET 10.0 installed on Windows.

Jun 9, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
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.

Official bulletin How SecurityAlert builds this record

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