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Microsoft Confirms Zero-Day Vulnerability in Windows Kernel

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

Microsoft has identified a zero-day vulnerability in the Windows Kernel that has been exploited by attackers to gain system privileges. Users of Windows 10, 11, and Server are urged to update their systems immediately to mitigate the risk. The situation is critical as attacks are currently underway.

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