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CVE-2026-40223

Published: Apr 10, 2026Updated: Apr 27, 2026 Sources: CVE List NVDCWE-696
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
0.1%
Top 99.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-696

Affected Products

systemdsystemd
Embedded
Operating Systems / linux-distro
systemdsystemd project
On-prem
Operating Systems / linux-distro
systemdoss-projectDEOperating Systemsaka systemd
systemd projectoss-projectOperating Systemsaka systemd

Exploitability

Official Patch Available

References

https://github.com/systemd/systemd/security/advisories/GHSA-x4h8-rrrg-q78f
github.com

Timeline

Published
Apr 10, 2026
Last Updated
Apr 27, 2026

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