Microsoft Windows MSHTML Platform Spoofing Vulnerability
Microsoft — Windows 10 Version 1507
Windows MSHTML Platform Spoofing Vulnerability
6.5
43.7%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
- Published
- Oct 8, 2024
- Modified
- Jun 9, 2026
- Added to KEV
- Oct 8, 2024
- Federal patch due
- Oct 29, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2024-43573, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2024-43573 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2024-43573?
Windows MSHTML Platform Spoofing Vulnerability
How severe is CVE-2024-43573?
CVE-2024-43573 has a CVSS base score of 6.5 out of 10 (CVSS 3.1).
Is CVE-2024-43573 actively exploited in the wild?
Yes. CVE-2024-43573 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Oct 8, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2024-43573?
43.7% - meaning FIRST.org's EPSS model estimates a 43.7% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
What type of vulnerability is CVE-2024-43573?
CVE-2024-43573 is classified under CWE-79 (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')).
Cross-checked against
Impactr finds and proves whether CVE-2024-43573 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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