HIGH 8.2 Microsoft
CVE-2021-37701
Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links
Microsoft Security Update 2026-Aug: Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links
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-2021-37701
- https://nvd.nist.gov/vuln/detail/CVE-2021-37701
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-08-06 via Microsoft. Affected: azl3 tar 1.35-2 on Azure Linux 3.0, cbl2 tar 1.34-3.
vulnfeed aggregates 9044 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.