Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 84.2%; technical severity is CVSS 7.5.
Windows MSHTML Platform Spoofing Vulnerability
Who should care
- Teams operating Windows, Windows 10 1507, Windows 10 1607 +12 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Windows, Windows 10 1507, Windows 10 1607 +12 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Microsoft Security patch CVE-2024-38112
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-451
- Affected versions
- Microsoft Windows; Microsoft Windows 10 1507 (End Excluding 10.0.10240.20710); Microsoft Windows 10 1607 (End Excluding 10.0.14393.7159 | End Excluding 10.0.14393.7159); Microsoft Windows 10 1809 (End Excluding 10.0.17763.6054 | End Excluding 10.0.17763.6054); Microsoft Windows 10 21h2 (End Excluding 10.0.19044.4651); Microsoft Windows 10 22h2 (End Excluding 10.0.19045.4651); Microsoft Windows 11 21h2 (End Excluding 10.0.22000.3079); Microsoft Windows 11 22h2 (End Excluding 10.0.22621.3880)
- Fixed versions
- Microsoft Windows 10 1507 (Fixed from 10.0.10240.20710); Microsoft Windows 10 1607 (Fixed from 10.0.14393.7159); Microsoft Windows 10 1809 (Fixed from 10.0.17763.6054); Microsoft Windows 10 21h2 (Fixed from 10.0.19044.4651); Microsoft Windows 10 22h2 (Fixed from 10.0.19045.4651); Microsoft Windows 11 21h2 (Fixed from 10.0.22000.3079); Microsoft Windows 11 22h2 (Fixed from 10.0.22621.3880); Microsoft Windows 11 23h2 (Fixed from 10.0.22631.3880)
- Published
- 9 July 2024
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 84.2%
- Signal calculated at 81