CVE-2026-40227

Name: CVE-2026-40227
Creator: NVD / NIST
Published: 2026-04-10T16:16:33.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2026-40227 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.20%

10.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1025

Affected Software

Vendor	Product	Versions
Systemd Project	Systemd	260

References

https://github.com/systemd/systemd/security/advisories/GHSA-848h-497j-8vjqVendor Advisory

Timeline

Published: Apr 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-40227?

In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.

How severe is CVE-2026-40227?

CVE-2026-40227 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40227?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40227?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST