CVE-2026-32175

Description

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.

Weakness classification

• secure@microsoft.com: CWE-36
• nvd@nist.gov: CWE-22

Primary references

• secure@microsoft.com — Vendor Advisory