CVE-2026-111573
Deferred Deferred - Pending Action

Race Condition in Checkmk Windows Agent Permissions Allows Privilege Escalation

Vulnerability report for CVE-2026-111573, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: Checkmk GmbH

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.

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
checkmk checkmk to 2.2.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-277 A product defines a set of insecure permissions that are inherited by objects that are created by the program.

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