HOMEVULNERABILITIESCVE-2023-1638
MEDIUM

CVE-2023-1638

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

5.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-1638 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/1_jYlCkQMNaUwGV5QJtyz4zhdTqaGCv6Z/view
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1638
ADVISORYhttps://vuldb.com/?ctiid.224018
ADVISORYhttps://vuldb.com/?id.224018
ADVISORYhttps://drive.google.com/file/d/1_jYlCkQMNaUwGV5QJtyz4zhdTqaGCv6Z/view
ADVISORYhttps://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1638
ADVISORYhttps://vuldb.com/?ctiid.224018
ADVISORYhttps://vuldb.com/?id.224018

All References (8)

→
https://drive.google.com/file/d/1_jYlCkQMNaUwGV5QJtyz4zhdTqaGCv6Z/viewExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1638Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.224018Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.224018Third Party Advisory
→
https://drive.google.com/file/d/1_jYlCkQMNaUwGV5QJtyz4zhdTqaGCv6Z/viewExploit · Third Party Advisory
→
https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1638Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.224018Permissions Required · Third Party Advisory
→
https://vuldb.com/?id.224018Third Party Advisory

Quick Facts

CVE IDCVE-2023-1638
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
Affected1 vendor(s)
PublishedMar 26, 2023

Related CVEs (CWE-404)

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

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-1638 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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