CVE-2021-47825 Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path
Local attackers can execute arbitrary code with system privileges by exploiting an unquoted service path in the Acer Updater 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-2021-47825?
CVE-2021-47825 is a high-severity vulnerability in Acer Updater Service, published on 16 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Acer Updater Service 1.2.3500.0 contains an unquoted service path vulnerability that allows local users to execute code with elevated system privileges. Attackers can exploit the unquoted path in C:\Program Files\Acer\Acer Updater\ to inject malicious executables that will run with LocalSystem permissions during service startup.
Weakness: CWE-428
Which versions are affected by CVE-2021-47825?
How do I fix CVE-2021-47825?
No fix has been published for CVE-2021-47825 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47825 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47825 exists.
Sources
Also known as GHSA-px27-jf47-v6g6.