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GHSA-7Q4V-2MR6-5GPX Microsoft Security Advisory CVE-2026-45491 – .NET Tampering Vulnerability

🗓️ 16 Jun 2026 14:33:40Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Advisory on a symlink path traversal in System.Formats.Tar TarFile.ExtractToDirectory that allows arbitrary file writes; update to patched .NET versions.

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18 Jun 2026 10:41Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.8
EPSS0.00388
6