CVE-2026-45491

.NET Tampering Vulnerability

CVSS 6.2 MEDIUMEPSS 0.4%CWE-59

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.2EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

09 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

Affected products

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References