CVE-2026-40224

CVE-2026-40224 is a medium-severity vulnerability in Systemd Project Systemd with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Description

In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used to reach the root namespace.

Frequently asked questions

What is CVE-2026-40224?
In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used to reach the root namespace.
How severe is CVE-2026-40224?
CVE-2026-40224 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-40224 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40224?
CVE-2026-40224 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40224?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40224 have an EU (EUVD) identifier?
Yes. CVE-2026-40224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21396.
When was CVE-2026-40224 published?
CVE-2026-40224 was published on 2026-04-10 and last updated on 2026-06-17.

References

Affected products (1)

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