HIGH 8.2 Microsoft PoC
CVE-2021-32804
Arbitrary File Creation/Overwrite due to insufficient absolute path sanitization
Microsoft Security Update 2026-Aug: Arbitrary File Creation/Overwrite due to insufficient absolute path sanitization
Affected Products
- azl3 tar 1.35-2 on Azure Linux 3.0
- cbl2 tar 1.34-3
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-32804
- https://nvd.nist.gov/vuln/detail/CVE-2021-32804
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-08-06 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 15.0% (top 4% of all CVEs by exploitation probability). Affected: azl3 tar 1.35-2 on Azure Linux 3.0, cbl2 tar 1.34-3.
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