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High 7.2Published Nov 25, 2025
CVE-2025-66264Unquoted Service path in UPSilon2000V6.0 SYSTEM privilege service
Updated under an hour ago ()
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It affects MegaTec Taiwan ClientMate. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.2 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-428
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Gridware
- NVD analysis
- Deferred
- Record last updated
- Nov 26, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.