CVE-2020-36987

Program Access Controller v1.2.0.0 - 'PACService.exe' Unquoted Service Path

HIGH
7.8
CVSS Score
Published: January 28, 2026 at 12:29 PM UTC
Updated: June 17, 2026 at 03:16 AM UTC
2 products affected across 2 vendorsControllerProgram Access Controller

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-428

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