{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111573","assignerOrgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","state":"PUBLISHED","assignerShortName":"Checkmk","dateReserved":"2026-10-16T12:30:37.722Z","datePublished":"2026-11-06T15:59:40.560Z","dateUpdated":"2026-11-06T16:27:41.790Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Checkmk","vendor":"Checkmk GmbH","versions":[{"lessThan":"2.5.0p18","status":"affected","version":"2.5.0","versionType":"semver"},{"lessThan":"2.4.0p39","status":"affected","version":"2.4.0","versionType":"semver"},{"lessThan":"2.3.0p52","status":"affected","version":"2.3.0","versionType":"semver"},{"status":"affected","version":"2.2.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"Anonymous researcher"},{"lang":"en","type":"reporter","value":"Michal 'mdronski.pl' Dronski"}],"descriptions":[{"lang":"en","value":"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."}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233: Privilege Escalation"}]}],"metrics":[{"cvssV4_0":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-277","description":"CWE-277: Insecure Inherited Permissions","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","shortName":"Checkmk","dateUpdated":"2026-11-06T16:27:41.790Z"},"references":[{"url":"https://checkmk.com/werk/19231","tags":["vendor-advisory"]}],"title":"Privilege escalation via unprotected Windows agent data folder","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.5.0","versionEndExcluding":"2.5.0p18"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4.0","versionEndExcluding":"2.4.0p39"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.3.0","versionEndExcluding":"2.3.0p52"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*"}]}]}],"x_generator":{"engine":"cvelib 1.8.0"}}}}