CVE-2024-43573 Microsoft Windows MSHTML Platform Spoofing
An attacker can exploit a spoofing vulnerability in the Windows MSHTML platform to bypass security features.
- Exploited in the wild
- Since 8 Oct 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-43573?
CVE-2024-43573 is a medium-severity cross-site scripting vulnerability in Microsoft Windows 10 1507, published on 8 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Windows MSHTML Platform Spoofing Vulnerability
Weakness: CWE-79
Which versions are affected by CVE-2024-43573?
It affects 14 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2 and 8 more.
How do I fix CVE-2024-43573?
No fix has been published for CVE-2024-43573 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 29 Oct 2024.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-43573 being exploited?
Yes. Attackers have exploited CVE-2024-43573 in the wild since at least 8 Oct 2024.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-26r2-pm58-r4jr.