CVE-2016-20059CWE-428

IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation

High · published April 4, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
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
EPSS
0.00176 · 6.8th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-04-04T13:51Z
EPSS history
Timeline
  • 04 APR 13:51Z
    IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation
    cvelistv5