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CVE-2024-43573: Microsoft Windows MSHTML Platform Spoofing Vulnerability

criticalknown exploitedCVE-2024-43573
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 spoofing vulnerability which can lead to a loss of confidentiality.

CSIRTS triage

vendor: Microsoftproduct: Windows MSHTML PlatformInformation disclosure
What
The spoofing vulnerability can lead to a loss of confidentiality.
Who is affected
Users of Microsoft Windows MSHTML Platform are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates to the MSHTML Platform.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-10-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-43573

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-43573coverage & exploitation statusNVD · 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.

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