CVE-2026-40225
CVE-2026-40225 is a medium-severity vulnerability in Systemd Project Systemd with a CVSS 3.x base score of 6.4. 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-669.
Key facts
- Severity: Medium (CVSS 3.x base score 6.4)
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-21399
- Weakness: CWE-669
- Affected product: Systemd Project Systemd
- Published:
- Last modified:
Description
In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.
Frequently asked questions
- What is CVE-2026-40225?
- In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.
- How severe is CVE-2026-40225?
- CVE-2026-40225 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-40225 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-40225?
- CVE-2026-40225 affects Systemd Project Systemd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-40225?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-40225 have an EU (EUVD) identifier?
- Yes. CVE-2026-40225 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21399.
- When was CVE-2026-40225 published?
- CVE-2026-40225 was published on 2026-04-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*
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