CVE-2024-29988
Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability
Microsoft · SmartScreen Prompt
Vulnerability details
Microsoft SmartScreen Prompt contains a security feature bypass vulnerability that allows an attacker to bypass the Mark of the Web (MotW) feature. This vulnerability can be chained with CVE-2023-38831 and CVE-2024-21412 to execute a malicious file.
Added to CISA KEV: 2024-04-30
Ransomware campaign use: Unknown
CISA due date: 2024-05-21
Defensive guidance from CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC