CVE-2024-43461
Published: September 16, 2024
Official Description
Microsoft Windows MSHTML Platform contains a user interface (UI) misrepresentation of critical information vulnerability that allows an attacker to spoof a web page. This vulnerability was exploited in conjunction with CVE-2024-38112.
CISA KEV Advisory
Microsoft Windows MSHTML Platform Spoofing Vulnerability
Microsoft Windows MSHTML Platform contains a user interface (UI) misrepresentation of critical information vulnerability that allows an attacker to spoof a web page. This vulnerability was exploited in conjunction with CVE-2024-38112.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
Microsoft Windows MSHTML Platform has a user interface misrepresentation vulnerability that allows an attacker to spoof a web page. This high-severity flaw has a significant exploitation probability (EPSS 0.09759) and was exploited in conjunction with another CVE. This vulnerability is confirmed to be actively exploited by CISA.
This vulnerability is being actively exploited in the wild, specifically in conjunction with CVE-2024-38112. Exploitation typically involves tricking a user into interacting with a spoofed web page.
Apply all available security updates for Microsoft Windows. Educate users about phishing and social engineering tactics to recognize spoofed web pages.
Technical Analysis
CVE-2024-43461 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2024-43461 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-43461 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1