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TI-2016-09235 Aliases CVE-2016-20059GHSA-rjmh-3x6m-hgvq

IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation

Priority HIGH 72CWE-428Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.

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 service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0018 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IObitIObit Malware Fighter4.3.1—No fix listedCNA
  • IObit Malware Fighter VendorIObit Affected 4.3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:iobit:malware_fighter:*:*:*:*:free:*:*:*up to 4.3.1VulnerableIObit
  • cpe:2.3:a:iobit:malware_fighter:*:*:*:*:free:*:*:* Versions up to 4.3.1 Vulnerable ·IObit

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20059
  2. 2026-10-03 Alias added: GHSA-rjmh-3x6m-hgvq

References

Exploit 1

Other 2

  • TI-2023-01548 IObit Malware Fighter IOCTL IMFCameraProtect.sys 0x8018E008 denial of service CVSS 3.1MEDIUM 5.5
  • TI-2023-01542 IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E04C denial of service CVSS 3.1MEDIUM 5.5
  • TI-2023-01541 IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E040 denial of service CVSS 3.1MEDIUM 5.5
  • TI-2018-13234 RegFilter.sys in IOBit Malware Fighter 6.2 and earlier is susceptible to a stack-based… CVSS 3.0HIGH 7.8
  • TI-2020-14695 An issue exits in IOBit Malware Fighter version 8.0.2.547. CVSS 3.1HIGH 7.8
  • TI-2018-13537 RegFilter.sys in IOBit Malware Fighter 6.2 is susceptible to a stack-based buffer… CVSS 3.0HIGH 7.8
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences