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.
Problem types
CWE-36: Absolute Path Traversal
Product status
References
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32175 (.NET Core Tampering Vulnerability)