Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability

MEDIUM 5.4EXPLOITED (CISA KEV)CVE-2024-38217 · Published 10/09/2024 · updated 10/08/2026

Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/09/2024. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

Windows Mark of the Web Security Feature Bypass Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38217 · Patch
elastic.co/security-labs/dismantling-smart-app-control · Exploit
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2024-38217

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