How severe is CVE-2024-23440?

CVE-2024-23440 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2024-23440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23440?

CVE-2024-23440 affects Anti-virus Vba32. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23440?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-23440 have an EU (EUVD) identifier?

Yes. CVE-2024-23440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20944.

When was CVE-2024-23440 published?

CVE-2024-23440 was published on 2024-02-13 and last updated on 2026-06-17.

CVE-2024-23440

CVE-2024-23440 is a high-severity vulnerability in Anti-virus Vba32 with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20944
Weakness: CWE-125
Affected product: Anti-virus Vba32
Published: 2024-02-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-23440?: 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.
How severe is CVE-2024-23440?: CVE-2024-23440 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2024-23440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23440?: CVE-2024-23440 affects Anti-virus Vba32. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-23440 have an EU (EUVD) identifier?: Yes. CVE-2024-23440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20944.
When was CVE-2024-23440 published?: CVE-2024-23440 was published on 2024-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:anti-virus:vba32:3.36.0:*:*:*:*:*:*:*

More vulnerabilities in Anti-virus Vba32

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