{"id":"CVE-2016-20059","title":"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","summary":"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…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-428"],"vendor":"iobit","product":"malware_fighter","affected":["malware_fighter <= 4.3.1"],"published":"2026-04-04","updated":"2026-07-21","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2016-20059","references":[{"url":"http://www.iobit.com/downloadcenter.php?product=malware-fighter-free","label":"disclosure@vulncheck.com"},{"url":"http://www.iobit.com/en/index.php","label":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/40525","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/iobit-malware-fighter-unquoted-service-path-privilege-escalation","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00176,"epssPercentile":0.07413,"ingestedAt":"2026-07-21T16:51:41.360Z","slug":"CVE-2016-20059","body":"## Overview\n\nIObit 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.\n\n## Affected\n\n- `malware_fighter <= 4.3.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}