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Windows 11 December 2025 Update Addresses 57 Vulnerabilities, Including Zero-Day Flaw

Windows 11 December 2025 Update Addresses 57 Vulnerabilities, Including Zero-Day Flaw

First seen 9 Dec 2025, 22:39 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Microsoft's December 2025 update for Windows 11 resolves 57 vulnerabilities, one of which is a critical zero-day privilege escalation flaw. This update is crucial for users of the Windows operating system to mitigate potential security risks.

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