Windows Shell Security Feature 0-Day Vulnerability Let Attackers Bypass Authentication

Microsoft released Microsoft Patch Tuesday updates to address a critical zero-day vulnerability in Windows Shell that is currently being actively exploited in the wild. Tracked as CVE-2026-21510, this security flaw allows remote attackers to bypass essential protection mechanisms, putting millions of Windows users at risk. The vulnerability is classified as a “Security Feature Bypass” with a […]

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