CVE-2016-20059

8.5 highEPSS 0.2%

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-31)
CWE: CWE-428
Published: 2026-04-04
Modified: 2026-07-21
Record from: the NVD, synced 2026-10-19

Affected

iobit:malware_fighter

References

http://www.iobit.com/downloadcenter.php?product=malware-fighter-free
http://www.iobit.com/en/index.php
https://www.exploit-db.com/exploits/40525
https://www.vulncheck.com/advisories/iobit-malware-fighter-unquoted-service-path-privilege-escalation

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