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

CVE-2024-30040 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2024-05-14

A security feature bypass vulnerability exists in the Microsoft Windows MSHTML Platform. An attacker can exploit this by convincing a user to open a specially crafted file, potentially bypassing security mitigations and leading to unauthorized code execution.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2024-30040 exploited in the wild?
Yes. CVE-2024-30040 is known to be exploited in the wild, first recorded on 14 May 2024. Treat it as urgent.
How severe is CVE-2024-30040?
Critical severity, with a CVSS score of 8.8, published 14 May 2024.
Which products and versions are affected?
Microsoft Windows 10 1507, 1607, 1809, 21H2, 22H2; Microsoft Windows 11 21H2, 22H2, 23H2; Microsoft Windows Server 2016, 2019, 2022, 23H2.
Is there a fix for CVE-2024-30040?
A patch was published on 2024-05-14. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-30040 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2024-30040?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 10 1507, 1607, 1809, 21H2, 22H2
  • Microsoft Windows 11 21H2, 22H2, 23H2
  • Microsoft Windows Server 2016, 2019, 2022, 23H2

Timeline

  • 2024-05-14: disclosed
  • 2024-05-14: patched
  • 2024-05-14: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2024-05-14: exploited: Reported as exploited in the wild at time of publication.

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