Microsoft Defender SmartScreen Security Feature Bypass Vulnerability
Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.
- Vendor
- Microsoft
- Product
- Defender
- CVSS
- 5.4
- EPSS (exploit probability)
- 76.3%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Published
Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-12-13. Required action per CISA: Apply updates per vendor instructions. Due date: 2023-01-03.
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.