CVE-2024-30040

Name: CVE-2024-30040
Creator: NVD / NIST
Published: 2024-05-14T17:17:12.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 3.94%

Last modified Jun 17, 2026

CVE-2024-30040 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Windows MSHTML Platform Security Feature Bypass Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.94% chance of exploitation in the next 30 days.

Description

Windows MSHTML Platform Security Feature Bypass Vulnerability

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

3.94%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 4, 2024.

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1507	< 10.0.10240.20651
Microsoft	Windows 10 1607	< 10.0.14393.6981
Microsoft	Windows 10 1809	< 10.0.17763.5820
Microsoft	Windows 10 21h2	< 10.0.19044.4412
Microsoft	Windows 10 22h2	< 10.0.19045.4412
Microsoft	Windows 11 21h2	< 10.0.22000.2960
Microsoft	Windows 11 22h2	< 10.0.22621.3593
Microsoft	Windows 11 23h2	< 10.0.22631.3593
Microsoft	Windows Server 2016	< 10.0.14393.6981
Microsoft	Windows Server 2019	< 10.0.17763.5820
Microsoft	Windows Server 2022	< 10.0.20348.2458
Microsoft	Windows Server 2022 23h2	< 10.0.25398.887

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30040Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30040Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-30040US Government Resource

Timeline

Published: May 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-30040?

Windows MSHTML Platform Security Feature Bypass Vulnerability

How severe is CVE-2024-30040?

CVE-2024-30040 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.94% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2024-30040?

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-2024-30040?

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

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Source: NVD / NIST