Is CVE-2026-40224 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-40224, but active exploitation has not been confirmed.

Can CVE-2026-40224 be exploited remotely?

No. CVE-2026-40224 requires local access to exploit.

What is the CVSS score of CVE-2026-40224?

CVE-2026-40224 has a CVSS score of 6.7 (MEDIUM).

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MEDIUMPOC

CVE-2026-40224

CWE-863Published: April 10, 2026· Updated: Apr 13, 2026

6.7

CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2026-40224 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 6.7.

A proof-of-concept (PoC) exploit exists for CVE-2026-40224. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.