CVE-2024-30040 HIGH

CVE-2024-30040: Windows MSHTML Platform Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-20 · Input validation
KEV Status Known Exploited
Published May 14, 2024
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

What the vulnerability does

01Description

Windows MSHTML Platform Security Feature Bypass Vulnerability

CISA mandated remediation

02CISA Required Action

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

Key dates

03Disclosure timeline

May 14, 2024 CVE published
October 21, 2025 Record updated