Is CVE-2026-40225 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-40225, but active exploitation has not been confirmed.

Can CVE-2026-40225 be exploited remotely?

No. CVE-2026-40225 requires physical access to exploit.

What is the CVSS score of CVE-2026-40225?

CVE-2026-40225 has a CVSS score of 6.4 (MEDIUM).

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MEDIUMPOC

CVE-2026-40225

CWE-669Published: April 10, 2026· Updated: Apr 13, 2026

6.4

CVSS v3.1

Official Description

In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.

NVD Source

Technical Analysis

CVE-2026-40225 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.

A proof-of-concept (PoC) exploit exists for CVE-2026-40225. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.