CVE-2023-1639

Name: CVE-2023-1639
Creator: NVD / NIST
Published: 2023-03-26T21:15:06.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2023-1639 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.32%

23.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Iobit	Malware Fighter	9.4.0.776

References

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

Timeline

Published: Mar 26, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1639?

How severe is CVE-2023-1639?

CVE-2023-1639 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1639?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1639?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST