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HIGH CISA KEV

CVE-2024-30040

CVSS v3

8.8

HIGH

EPSS Score

3.9 %

exploit probability, as of 2026-10-19

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2024-30040 yet.

Full record on NVD

Description

Windows MSHTML Platform Security Feature Bypass Vulnerability

CISA Known Exploited Vulnerability

Date Added
2024-05-14
Patch Due Date
2024-06-04
Ransomware Use
Unknown

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2024-05-14
Last Modified
2025-10-28

Frequently asked questions

What is CVE-2024-30040?

Windows MSHTML Platform Security Feature Bypass Vulnerability

Is CVE-2024-30040 actively exploited?

Yes. CVE-2024-30040 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2024-06-04.

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

CVE-2024-30040 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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