How severe is CVE-2024-23940?

CVE-2024-23940 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-23940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23940?

CVE-2024-23940 primarily affects Trendmicro Air Support. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-23940?

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-2024-23940 have an EU (EUVD) identifier?

Yes. CVE-2024-23940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21370.

When was CVE-2024-23940 published?

CVE-2024-23940 was published on 2024-01-29 and last updated on 2026-06-17.

CVE-2024-23940

CVE-2024-23940 is a high-severity vulnerability in Trendmicro Air Support with a CVSS 3.x base score of 7.8. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21370
Weakness: CWE-427
Affected product: Trendmicro Air Support
Published: 2024-01-29
Last modified: 2026-06-17

Description

Trend Micro uiAirSupport, included in the Trend Micro Security 2023 family of consumer products, version 6.0.2092 and below is vulnerable to a DLL hijacking/proxying vulnerability, which if exploited could allow an attacker to impersonate and modify a library to execute code on the system and ultimately escalate privileges on an affected system.

Frequently asked questions

What is CVE-2024-23940?: Trend Micro uiAirSupport, included in the Trend Micro Security 2023 family of consumer products, version 6.0.2092 and below is vulnerable to a DLL hijacking/proxying vulnerability, which if exploited could allow an attacker to impersonate and modify a library to execute code on the system and ultimately escalate privileges on an affected system.
How severe is CVE-2024-23940?: CVE-2024-23940 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-23940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23940?: CVE-2024-23940 primarily affects Trendmicro Air Support. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-23940?: 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-2024-23940 have an EU (EUVD) identifier?: Yes. CVE-2024-23940 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21370.
When was CVE-2024-23940 published?: CVE-2024-23940 was published on 2024-01-29 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:trendmicro:air_support:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:antivirus_\+_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:internet_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:maximum_security:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:premium_security:*:*:*:*:*:*:*:*

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