MEDIUM 6.7 Microsoft
CVE-2026-4878
Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Microsoft Security Update 2026-Apr: Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Affected Products
- cbl2 libcap 2.60-7 on CBL Mariner 2.0
- azl3 libcap 2.69-13 on Azure Linux 3.0
- azl3 libcap 2.69-14 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-4878
- https://nvd.nist.gov/vuln/detail/CVE-2026-4878
This medium severity vulnerability with a CVSS score of 6.7 was published on 2026-04-14 via Microsoft. Affected: cbl2 libcap 2.60-7 on CBL Mariner 2.0, azl3 libcap 2.69-13 on Azure Linux 3.0, azl3 libcap 2.69-14 on Azure Linux 3.0.
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