CVE-2026-4105: Systemd: systemd: privilege escalation via improper access control in registermachine d-bus method

Overview

Severity

Medium (CVSS 6.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-17

Last Updated

2026-08-07

EPSS Score

0.15% (percentile: 3.9%)

Affected Products (5)

Open Source Software

• cbl2 systemd 250.3-23 on CBL Mariner 2.0
• cbl2 systemd 250.3-24 on CBL Mariner 2.0
• cbl2 systemd-bootstrap 250.3-13 on CBL Mariner 2.0
• azl3 systemd-bootstrap 250.3-18 on Azure Linux 3.0
• cbl2 systemd-bootstrap 250.3-14 on CBL Mariner 2.0

Revision History

• 2026-03-17: Information published.
• 2026-03-31: Information published.
• 2026-04-01: Information published.
• 2026-08-07: Information published.