Search/CVE-2025-39666
● CVE — High

CVE-2025-39666

VendorcheckmkProductcheckmkDiscoveredApr 7, 2026UpdatedOct 5, 2026

Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the omd administrative command is run by root.

CVSS v3.1
7.3 HIGH
EPSS
0.12%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Connections
3 relationships
Timeline
disclosure → media coverage
Apr 7, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 5, 2026