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Microsoft Patches 63 Security Flaws, Including Active Zero-Day Vulnerability

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

Microsoft has released patches for 63 security vulnerabilities, including a zero-day flaw tracked as CVE-2025-62215. This privilege escalation vulnerability was actively exploited in attacks, potentially involving ransomware. Users are advised to update their systems immediately to mitigate risks.

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