Link following in Microsoft products - CVE-2026-50526
Published: July 17, 2026
Vulnerability identifier: #VU138079
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-50526
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
.NET for Linux
.NET for macOS
Visual Studio
.NET
.NET for Linux
.NET for macOS
Visual Studio
.NET
Detailed vulnerability description
The vulnerability allows a local user to perform tampering.
The vulnerability exists due to improper link resolution before file access in .NET when accessing files through links. A local user can manipulate a link target to perform tampering.
How to mitigate CVE-2026-50526
Install security update from vendor's website.