CVE-2025-66264
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-26

Last updated on: 2025-11-26

Assigner: Gridware

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.
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Meta Information
Published
2025-11-26
Last Modified
2025-11-26
Generated
2026-06-16
AI Q&A
2025-11-26
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66264
EUVD
EUVD-2025-199668
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
cmservice cmservice *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-428 The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.
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Executive Summary

This vulnerability involves the CMService.exe service, which runs with SYSTEM privileges and has an unquoted service path. Because the path is unquoted, a local attacker who has write access to the filesystem can place a malicious executable in the path. When the service starts, it may execute this malicious file, resulting in privilege escalation to SYSTEM level.

Impact Analysis

If exploited, this vulnerability allows a local attacker with write access to escalate their privileges to SYSTEM level, which is the highest level of privilege on a Windows system. This can lead to full control over the affected system, including the ability to install programs, change configurations, access sensitive data, and disrupt system operations.

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