CVE-2025-66264: high-severity vulnerability in MegaTec Taiwan ClientMate
Unquoted Service path in UPSilon2000V6.0 SYSTEM privilege service
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.1%
The CMService.exe service runs with SYSTEM privileges and contains an unquoted service path. This allows a local attacker with write privileges to the filesystem to insert a malicious executable in the path, leading to privilege escalation.
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H
Affected products
MegaTec Taiwan · ClientMateRelated CVEs — MegaTec Taiwan ClientMate
In the same product, most dangerous first.