CVE-2021-47780: Macro-Expert Macro Expert

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Macro-Expert Macro Expert: version 4.7 only

Published 2026-01-16. Last modified 2026-06-17.