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Microsoft Windows SmartScreen Security Feature Bypass Vulnerability

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience via a mali

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 2, 2026, 4:51 PMSecurityhigh

Full content

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience via a malicious file.

Vendor: Microsoft

Product: Windows

Due date: 2024-09-03

Known ransomware use: Unknown

Why it matters

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

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