CVE-2020-36987
Unknown Unknown - Not Provided
Unquoted Service Path in PACService.exe Enables Privilege Escalation

Publication date: 2026-01-28

Last updated on: 2026-01-28

Assigner: VulnCheck

Description
Program Access Controller 1.2.0.0 contains an unquoted service path vulnerability in PACService.exe that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.
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Meta Information
Published
2026-01-28
Last Modified
2026-01-28
Generated
2026-06-16
AI Q&A
2026-01-29
EPSS Evaluated
2026-06-15
NVD
CVE-2020-36987
EUVD
EUVD-2020-30895
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
unknown_vendor program_access_controller 1.2.0.0
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 is an unquoted service path issue in PACService.exe of Program Access Controller 1.2.0.0. It allows local attackers to execute code with elevated privileges by exploiting the unquoted path during system startup or reboot, enabling them to inject and run malicious executables with LocalSystem permissions.

Impact Analysis

An attacker exploiting this vulnerability can run malicious code with LocalSystem privileges, which means they can gain full control over the affected system, potentially leading to unauthorized access, data theft, system manipulation, or disruption of services.

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