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CVE-2026-16742

systemd-homed: local privilege escalation via missing home-record signature verification on the authenticate path

MEDIUM
6.7
CVSS Score
Published: August 10, 2026 at 01:02 PM UTC
Updated: October 23, 2026 at 08:10 PM UTC
2 products affected across 1 vendorSystemd HomedSystemd

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Systemd Homed· Systemd
90%
245 ≤ v < 262, 261.2, 260.4, 259.8, 258.10245
Affected range stops below 262, 261.2, 260.4, 259.8, 258.10, so it looks safe — our inference, not a vendor statement
Systemd· Systemd
85%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://github.com/systemd/systemd/security/advisories/GHSA-jm29-p7hh-vjhv

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMsystemd
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-269CWE-347

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