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Microsoft Security Response CenterCVE-2026-18477

Tar: tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape

Mariner

Read the vendor bulletin Get alerts for azl3 tar 1.35-2 on Azure Linux
4.4CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 tar 1.35-2 on Azure Linux 3.0
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-18477View CVSS, KEV, EPSS, and threat context
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