netVigilance Vulnerability intelligence since 2004
CVE-2024-21351 · netVigilance record NV24-0025

Microsoft Windows SmartScreen Security Feature Bypass

past due

What to do

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

CISA deadline 2024-03-05 · passed 2 years 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Microsoft Windows. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-94.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 2 years 6 months ago

Sources