Input validation error in .NET - CVE-2026-35433

 

Input validation error in .NET - CVE-2026-35433

Published: May 13, 2026


Vulnerability identifier: #VU131323
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-35433
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
.NET

Detailed vulnerability description

The vulnerability allows a local attacker to escalate privileges on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in .NET. A local attacker can gain elevated privileges on the system.


How to mitigate CVE-2026-35433

Install updates from vendor's website.

Sources