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Microsoft Security Response CenterCVE-2026-4105

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

Mariner

Read the vendor bulletin Get alerts for cbl2 systemd 250.3-23 on CBL Mariner
6.7CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • 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
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-4105View CVSS, KEV, EPSS, and threat context
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