CVE-2024-23440

Name: CVE-2024-23440
Creator: NVD / NIST
Published: 2024-02-13T15:15:09.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2024-23440 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of the Vba32m64.sys driver allows to read up to 0x802 of memory from ar arbitrary user-supplied pointer.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of the Vba32m64.sys driver allows to read up to 0x802 of memory from ar arbitrary user-supplied pointer.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.21%

11.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Anti-Virus	Vba32	3.36.0

References

https://fluidattacks.com/advisories/adderley/Third Party Advisory
https://www.anti-virus.by/vba32Product
https://fluidattacks.com/advisories/adderley/Third Party Advisory
https://www.anti-virus.by/vba32Product

Timeline

Published: Feb 13, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-23440?

How severe is CVE-2024-23440?

CVE-2024-23440 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23440?

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-2024-23440?

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

Scan your code now

Source: NVD / NIST