CVE-2016-20059

HIGH 7.8CVE-2016-20059 · Published 04/04/2026 · updated 21/07/2026

In short

CVE-2016-20059 is a HIGH (CVSS 7.8) vulnerability affecting malware fighter (iobit).
Chance of exploitation in the next 30 days (EPSS): 0.18%, higher than 7.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
malware fighter iobit	`≤ 4.3.1`	No fix yet

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.

References

iobit.com/downloadcenter.php · Product
iobit.com/en/index.php · Product
exploit-db.com/exploits/40525 · Exploit
vulncheck.com/advisories/iobit-malware-fighter-unquoted-service-path-privilege-escalation · Third Party Advisory

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Package

Affected versions

Patched versions

malware fighter

iobit

≤ 4.3.1

No fix yet

Description

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