IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation

Advisories

IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation

severity: high
date: 4/4/2026
Affecting: IObit Malware Fighter <= 4.3.1
CVE: CVE-2016-20059
CWE: CWE-428 Unquoted Search Path or Element
CVSS: 8.5
CVSS V4 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-40525
Official Product Homepage
Product Reference
Credit: Amir.ght
Description: 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.

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