HIGH 7.4 Microsoft
CVE-2026-35535
In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.
Microsoft Security Update 2026-Apr: In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.
Affected Products
- cbl2 sudo 1.9.17-1 on CBL Mariner 2.0
- azl3 sudo 1.9.17-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35535
- https://nvd.nist.gov/vuln/detail/CVE-2026-35535
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-04-14 via Microsoft. Affected: cbl2 sudo 1.9.17-1 on CBL Mariner 2.0, azl3 sudo 1.9.17-1 on Azure Linux 3.0.
vulnfeed aggregates 14156 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.