HIGH 7.9 Microsoft
CVE-2026-78408
Util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority
Microsoft Security Update 2026-Sep: Util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority
Affected Products
- azl3 util-linux 2.40.2-5 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78408
- https://nvd.nist.gov/vuln/detail/CVE-2026-78408
This high severity vulnerability with a CVSS score of 7.9 was published on 2026-09-08 via Microsoft. Affected: azl3 util-linux 2.40.2-5 on Azure Linux 3.0.
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