CVE-2016-20059

HIGH 7.8

IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

2th

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.

CWE	CWE-428
Vendor	iobit
Product	iobit malware fighter
Published	Apr 4, 2026
Last Updated	Apr 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Iobit / IObit Malware Fighter

4.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Amir.ght