CVE-2026-40223
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.
How to fix CVE-2026-40223
To remediate CVE-2026-40223, upgrade the affected package to a fixed version below.
- Debian/systemd—upgrade to 260~rc1-1 or later
Is CVE-2026-40223 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 260~rc1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |