Main Vulnerability Database Vulnerabilities #VU134117

Link following in Microsoft products - CVE-2026-45491

Published: June 9, 2026

Vulnerability identifier: #VU134117

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2026-45491

CWE-ID: CWE-59

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Microsoft

Affected software:
.NET for Linux
.NET for macOS
.NET
Microsoft .NET Framework

Detailed vulnerability description

The vulnerability allows a local attacker to compromise the system.

The vulnerability exists due to an insecure link following issue in .NET. A local attacker can perform tampering on the target system.

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