CVE-2016-20059: Iobit Malware Fighter

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

IObit Malware Fighter 4.3.1 contains an unquoted service path vulnerability in the IMFservice and LiveUpdateSvc services that allows local attackers to escalate privileges. Attackers can insert a malicious executable file in the unquoted service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

Affected products

• Iobit Malware Fighter: up to and including 4.3.1

Published 2026-04-04. Last modified 2026-07-21.