CVE-2020-36976 Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in Acer Global Registration Service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36976?
CVE-2020-36976 is a high-severity vulnerability in Acer Global Registration Service, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-428
Which versions are affected by CVE-2020-36976?
How do I fix CVE-2020-36976?
No fix has been published for CVE-2020-36976 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-36976 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36976 exists.
Sources
Also known as GHSA-56p5-hjp2-w73q.