Vulnerability · Published Aug 10, 2026 · Assigned by systemd
CVE-2026-16742systemd-homed: local privilege escalation via missing home-record signature verification on the authenticate path
Medium 6.7
In plain English
A medium-severity privilege mismanagement in systemd-homed from systemd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 0% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)<0.1%top 100.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | systemd | no fix listed | DEBIAN-CVE-2026-16742 |
| Debian:13 | systemd | no fix listed | DEBIAN-CVE-2026-16742 |
| Debian:14 | systemd | 261.2-1 | DEBIAN-CVE-2026-16742 |
| Ubuntu:22.04:LTS | systemd | 249.11-0ubuntu3.22 | UBUNTU-CVE-2026-16742 |
| Ubuntu:24.04:LTS | systemd | 255.4-1ubuntu8.17 | UBUNTU-CVE-2026-16742 |
| Ubuntu:26.04:LTS | systemd | 259.5-0ubuntu3.4 | UBUNTU-CVE-2026-16742 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| systemd | systemd-homed | 245 – before 262, 261.2, 260.4, 259.8, 258.10 |
Weakness: CWE-347, CWE-269 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H