CVE-2024-30040
Published: May 14, 2024
Official Description
Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for a security feature bypass.
CISA KEV Advisory
Microsoft Windows MSHTML Platform Security Feature Bypass Vulnerability
Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for a security feature bypass.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
An unspecified vulnerability in Microsoft Windows MSHTML Platform allows for a security feature bypass. The high EPSS score and confirmed exploitation by CISA indicate this is a critical vulnerability requiring immediate attention. This flaw is rated as HIGH severity.
This vulnerability is actively being exploited in the wild. The unspecified nature suggests it could be remotely exploitable, potentially through crafted web content.
Microsoft Windows users should apply all available security updates to address this MSHTML Platform vulnerability. Keep operating systems and applications up to date to prevent security feature bypasses.
Technical Analysis
CVE-2024-30040 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-2024-30040 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-2024-30040 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