Microsoft SmartScreen Prompt Security Bypass

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. Patching the Microsoft SmartScreen Prompt security feature bypass vulnerability is important as it can have severe consequences, including:

1. Prevent Security Feature Bypass
2. Protect Against Chained Exploits
3. Enhance User Safety
4. Prevent Malware Execution
5. Mitigate Phishing and Social Engineering Attacks
6. Maintain Trust in Security Systems
7. Compliance with Security Policies
8. Reduce Attack Surface
9. Avoid Regulatory and Legal Consequences
10. Protect Organizational Assets

It is crucial to address this vulnerability immediately.

Armis identified this risk 20 days earlier for our customers:

• CISA KEV Date: April 30, 2024
• Armis Labs: April 10, 2024