CVE-2020-36976 HIGH

CVE-2020-36976: Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path

Vendor Acer
Product Global Registration Service
Weakness CWE-428
Published January 27, 2026
Last update January 29, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Acer Global Registration Service 1.0.0.3 contains an unquoted service path vulnerability in its service configuration that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\Program Files (x86)\Acer\Registration\ to inject malicious executables that would run with elevated LocalSystem privileges during service startup.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
January 29, 2026 Record updated