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

Source: https://junglewise.ai/threats/cve-2024-43573-microsoft-windows-mshtml-platform-spoofing-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-08. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/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.

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