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TI-2023-01542 Aliases CVE-2023-1639GHSA-46h3-43mp-654j

IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E04C denial of service

Priority MEDIUM 58CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

A vulnerability classified as problematic has been found in IObit Malware Fighter 9.4.0.776. This affects the function 0x8001E04C in the library ImfRegistryFilter.sys of the component IOCTL Handler. The manipulation leads to denial of service. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-224019.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
IObitMalware Fighter9.4.0.776—No fix listedCNA
  • Malware Fighter VendorIObit Affected 9.4.0.776 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:iobit:malware_fighter:9.4.0.776:*:*:*:*:*:*:*9.4.0.776VulnerableIObit
  • cpe:2.3:a:iobit:malware_fighter:9.4.0.776:*:*:*:*:*:*:* Versions 9.4.0.776 Vulnerable ·IObit

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1639
  2. 2026-10-03 Alias added: GHSA-46h3-43mp-654j

References

Exploit 2

  • TI-2016-09235 IObit Malware Fighter 4.3.1 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
  • TI-2023-01548 IObit Malware Fighter IOCTL IMFCameraProtect.sys 0x8018E008 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