.NET Denial of Service Vulnerability
CVE-2026-120796
Summary
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
Products covered
PowerShell 7.5
.NET 10.0 installed on Linux
.NET 8.0 installed on Windows
.NET 10.0 installed on Mac OS
.NET 8.0 installed on Linux
.NET 8.0 installed on Mac OS
.NET 9.0 installed on Linux
.NET 9.0 installed on Windows
Show 2 more products
.NET 9.0 installed on Mac OS
PowerShell 7.6
Remediation
Release Notes Install KB5086095. Install KB5086096. Install KB5086097.
Vendor-listed fixes
7.5.6
10.0.6
8.0.26
9.0.15
7.6.1
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.