CVE-2024-43573: Microsoft Windows MSHTML Platform Spoofing Vulnerability

CVE-2024-43573 · Severity: critical · CVSS 8.1 · Exploited in the wild · Published 2024-10-08

The Microsoft Windows MSHTML platform contains a spoofing vulnerability that can lead to a loss of confidentiality and integrity. The flaw is actively exploited in the wild and is associated with improper neutralization of input during web page generation.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2024-43573 exploited in the wild?
Yes. CVE-2024-43573 is known to be exploited in the wild, first recorded on 8 October 2024. Treat it as urgent.
How severe is CVE-2024-43573?
Critical severity, with a CVSS score of 8.1, published 8 October 2024.
Which products and versions are affected?
Microsoft Windows 10 up to (excluding) 10.0.10240.20796; Microsoft Windows 11 up to (excluding) 10.0.22631.4317; Microsoft Windows Server 2016 up to (excluding) 10.0.14393.7428; Microsoft Windows Server 2019 up to (excluding) 10.0.17763.6414; and 1 more.
Is there a fix for CVE-2024-43573?
A patch was published on 2024-10-08T00:00:00+00:00: Microsoft released security updates. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-43573 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2024-43573?
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 up to (excluding) 10.0.10240.20796
  • Microsoft Windows 11 up to (excluding) 10.0.22631.4317
  • Microsoft Windows Server 2016 up to (excluding) 10.0.14393.7428
  • Microsoft Windows Server 2019 up to (excluding) 10.0.17763.6414
  • Microsoft Windows Server 2022 up to (excluding) 10.0.20348.2762

Timeline

  • 2024-10-08: disclosed
  • 2024-10-08: patched: Microsoft released security updates.
  • 2024-10-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
  • 2024-10-08: exploited: Reported as exploited in the wild at the time of publication.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.