HOMEVULNERABILITIESCVE-2023-1639
MEDIUM

CVE-2023-1639

CWE-404Published: March 26, 2023· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-1639 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

iobit1 product(s)
malware fighter
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://drive.google.com/file/d/1hWgHhboaekq4hGIj2kNgEI54rM-u_rvV/view
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1639
ADVISORYhttps://vuldb.com/?ctiid.224019
ADVISORYhttps://vuldb.com/?id.224019
ADVISORYhttps://drive.google.com/file/d/1hWgHhboaekq4hGIj2kNgEI54rM-u_rvV/view
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1639
ADVISORYhttps://vuldb.com/?ctiid.224019
ADVISORYhttps://vuldb.com/?id.224019

All References (8)

→
https://drive.google.com/file/d/1hWgHhboaekq4hGIj2kNgEI54rM-u_rvV/viewExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1639Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.224019Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.224019Third Party Advisory
→
https://drive.google.com/file/d/1hWgHhboaekq4hGIj2kNgEI54rM-u_rvV/viewExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1639Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.224019Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.224019Third Party Advisory

Quick Facts

CVE IDCVE-2023-1639
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
Affected1 vendor(s)
PublishedMar 26, 2023

Related CVEs (CWE-404)

CVE-2025-5867
9.8
CVE-2023-24444
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CVE-2018-8450
8.8
CVE-2026-1876
8.7
CVE-2026-1875
8.7
CVE-2026-11317
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-1639 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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