Is CVE-2024-30040 in the CISA KEV catalog?

Yes. CVE-2024-30040 is on the CISA Known Exploited Vulnerabilities list, added 2024-05-14.

What is the CVSS severity of CVE-2024-30040?

CVE-2024-30040 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2024-30040?

CVE-2024-30040 has an EPSS score of 3.94% (89th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-30040

HIGHCISA KEVEPSS 89th pctl

8.8

CVSS v3

NVD

Description

Windows MSHTML Platform Security Feature Bypass Vulnerability

CWE-20Improper Input Validation

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.94%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows MSHTML Platform Security Feature Bypass Vulnerability

Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for a security feature bypass.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-06-04

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.