CVE-2026-16742
systemd-homed: local privilege escalation via missing home-record signature verification on the authenticate path
Description
systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user
INFO
Published Date :
Aug. 10, 2026, 2:17 p.m.
Last Modified :
Aug. 10, 2026, 4:19 p.m.
Remotely Exploit :
No
Source :
98a521c5-3a3e-4e2b-bc27-002067e0463c
Affected Products
The following products are affected by CVE-2026-16742
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 98a521c5-3a3e-4e2b-bc27-002067e0463c | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update systemd to the latest available version.
- Apply vendor-provided patches immediately.
- Restart relevant services after updating.
- Verify the update was successful.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16742.
| URL | Resource |
|---|---|
| https://github.com/systemd/systemd/security/advisories/GHSA-jm29-p7hh-vjhv |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16742 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16742
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16742 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16742 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 10, 2026
Action Type Old Value New Value Added CWE CWE-347 Added CWE CWE-269 Added SSVC {'id': 'CVE-2026-16742', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-10T15:48:50.415136Z'} -
New CVE Received by 98a521c5-3a3e-4e2b-bc27-002067e0463c
Aug. 10, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/systemd/systemd', 'vendor': 'systemd', 'product': 'systemd-homed', 'versions': [{'status': 'affected', 'version': '245', 'lessThan': '262, 261.2, 260.4, 259.8, 258.10', 'versionType': 'custom'}], 'platforms': ['Linux'], 'defaultStatus': 'unaffected'}] Added Description systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user Added CVSS V3.1 AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Added Reference https://github.com/systemd/systemd/security/advisories/GHSA-jm29-p7hh-vjhv