CVE-2024-38217—Microsoft Windows Mark of the Web (MOTW) Protection Mechanism Failure Vulnerability

Vulnerability Name

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

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

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

Additional Notes

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

Related News Articles

• CISA warns of Windows flaw used in infostealer malware attacksSeptember 16, 2024
• Windows vulnerability abused braille “spaces” in zero-day attacksSeptember 15, 2024
• Microsoft Issues Patches for 79 Flaws, Including 3 Actively Exploited Windows FlawsSeptember 11, 2024
• Microsoft fixes 4 exploited zero-days and a code defect that nixed earlier security fixesSeptember 10, 2024
• Microsoft fixes Windows Smart App Control zero-day exploited since 2018September 10, 2024

Related Weaknesses

• CWE-693