CVE-2024-38217

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

Microsoft — Windows

Added to KEV catalog: 10 September 2024
Federal remediation due date: 1 October 2024
Weakness classification (CWE): CWE-693

CISA 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.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38217; https://nvd.nist.gov/vuln/detail/CVE-2024-38217

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