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TI-2023-01541 Aliases CVE-2023-1638GHSA-pfh9-c8wm-gp2p

IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E040 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 was found in IObit Malware Fighter 9.4.0.776. It has been rated as problematic. Affected by this issue is the function 0x8001E024/0x8001E040 in the library ImfRegistryFilter.sys of the component IOCTL Handler. The manipulation leads to denial of service. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. VDB-224018 is the identifier assigned to this vulnerability.

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-2023-1638
  2. 2026-10-03 Alias added: GHSA-pfh9-c8wm-gp2p

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-2023-01542 IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E04C 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