CVE-2026-35535
7.8
HIGH
CVSS 3.1
EPSS 0.17%
Description
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.
How to fix CVE-2026-35535
To remediate CVE-2026-35535, upgrade the affected package to a fixed version below.
- Debian/sudo—upgrade to 1.9.5p2-3+deb11u4 or later
Is CVE-2026-35535 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.9.5p2-3+deb11u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |