CVE-2024-21351—Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
PUBLISHEDvulnerability record
2024-02-13 · last modified June 21, 2025
Metadata
Vulnerability Name
Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Description
Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.
Known To Be Used in Ransomware Campaigns?
Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.