CVE-2023-1642

What it is

A vulnerability, which was classified as problematic, was found in IObit Malware Fighter 9.4.0.776. Affected is the function 0x222034/0x222038/0x22203C/0x222040 in the library ObCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. VDB-224022 is the identifier assigned to this vulnerability.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2023-03-26 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:28 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 5.5 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2023-03-26 22:15 UTC

Last modified

2026-06-17 05:28 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-404

Record status

Modified

Affected

• Iobit Malware Fighter 9.4.0.776

Attack profile CVSS 3.1 · 5.5

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-1642.md and follow it. Check whether this project is affected by CVE-2023-1642. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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