HIGH 7.1 Microsoft
CVE-2026-54369
acl < 2.4.0 Symlink Traversal Privilege Escalation via libacl Functions
Microsoft Security Update 2026-Jun: acl < 2.4.0 Symlink Traversal Privilege Escalation via libacl Functions
Affected Products
- azl3 acl 2.3.1-2 on Azure Linux 3.0
- azl3 acl 2.4.0-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54369
- https://nvd.nist.gov/vuln/detail/CVE-2026-54369
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-06-09 via Microsoft. Affected: azl3 acl 2.3.1-2 on Azure Linux 3.0, azl3 acl 2.4.0-1 on Azure Linux 3.0.
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