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CVE-2024-38217

CISA KEV

Published September 10, 2024 · Updated April 3, 2026

high
Official Description+

Microsoft Windows Mark of the Web (MOTW) contains a protection mechanism failure vulnerability that allows an attacker to bypass MOTW-based defenses. This can result in a limited loss of integrity and availability of security features such as Protected View in Microsoft Office, which rely on MOTW tagging.

Affected Products

VendorProduct
MicrosoftWindows

Patch Status

Patch by 2024-10-01

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2024-38217.