CVE-2021-47780 Macro Expert 4.7 - Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in Macro Expert.
- 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-2021-47780?
CVE-2021-47780 is a high-severity vulnerability in Macro-Expert Macro Expert, published on 15 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Macro Expert 4.7 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the improperly configured service path to inject malicious executables that will be run with LocalSystem permissions during service startup.
Weakness: CWE-428
Which versions are affected by CVE-2021-47780?
It affects 1 product.
Products include Macro-Expert Macro Expert.
How do I fix CVE-2021-47780?
No fix has been published for CVE-2021-47780 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47780 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47780 exists.
Other vulnerabilities in Macro-Expert Macro Expert
Sources
Also known as GHSA-mq6j-m5v8-2rmr.