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CVE-2025-66264

HIGHCVSS 7.2/10EPSS 0.10%

Last modified

CVE-2025-66264 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 4.0
7.2/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.10%

1.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-66264?
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.
How severe is CVE-2025-66264?
CVE-2025-66264 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66264?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST