CVE-2026-111573

medium

Description

Incorrect permissions on the Checkmk Windows agent's data directory, caused by a race condition that discards the permission changes during service start, in Checkmk <2.5.0p18, <2.4.0p39, <2.3.0p52 and 2.2.0 (EOL) allow a local user to execute arbitrary code as SYSTEM by placing scripts in the agent's plugins or local folders, and to read the agent controller's private key.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-118329

https://checkmk.com/werk/19231

Details

Source: Mitre, NVD

Published: 2026-11-06

Updated: 2026-11-10

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

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

Severity: High

CVSS v4

Base Score: 6.3

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H

Severity: Medium

EPSS

EPSS: 0.00131