.NET Denial of Service Vulnerability
CVE-2026-120796
Summary
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
Products covered
Microsoft Visual Studio 2022 version 17.12
Microsoft Visual Studio 2022 version 17.14
.NET 10.0 installed on Windows
.NET 10.0 installed on Mac OS
.NET 10.0 installed on Linux
.NET 8.0
.NET 8.0 installed on Linux
.NET 8.0 installed on Windows
Show 4 more products
.NET 8.0 installed on Mac OS
.NET 9.0 installed on Linux
.NET 9.0 installed on Windows
.NET 9.0 installed on Mac OS
Remediation
Release Notes Install KB5086095. Install KB5086096. Install KB5086097.
Vendor-listed fixes
17.12.19
17.14.30
10.0.6
8.0.26
9.0.15
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- 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.