Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability

Microsoft Windows Defender SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the Open File - Security Warning prompt.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2023-07-11. Required action per CISA: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. Due date: 2023-08-01.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.