CVE-2024-30040: Microsoft Windows MSHTML Platform Security Feature Bypass Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for a security feature bypass.
CSIRTS triage
- What
- The MSHTML Platform contains an unspecified vulnerability that allows for a security feature bypass.
- Who is affected
- Users of Microsoft Windows are affected by this vulnerability.
- Urgency
- Immediate remediation is necessary due to active exploitation and critical severity.
- Action
- Apply the latest security updates for Microsoft Windows.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-30040
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2024-30040Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 89% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-30040 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Microsoft Windows MSHTML
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2024-43573: Microsoft Windows MSHTML Platform Spoofing Vulnerabilitycisa-kev · 2024-10-08
- criticalexploitedCVE-2024-43461: Microsoft Windows MSHTML Platform Spoofing Vulnerabilitycisa-kev · 2024-09-16
- criticalexploitedCVE-2024-38112: Microsoft Windows MSHTML Platform Spoofing Vulnerabilitycisa-kev · 2024-07-09
- criticalexploitedCVE-2023-32046: Microsoft Windows MSHTML Platform Privilege Escalation Vulnerabilitycisa-kev · 2023-07-11
- criticalexploitedCVE-2021-33742: Microsoft Windows MSHTML Platform Remote Code Execution Vulnerabilitycisa-kev · 2021-11-03
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