The December 2025 Security Update Review

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Microsoft Outlook Vulnerability and Samsung Security Update Overview In December 2025, a critical remote code execution vulnerability (CVE-2025-62562) was identified in Microsoft Outlook, prompting urgent calls for a security update before exploitation occurs. Additionally, Samsung's November 2025 security update addressed 25 vulnerabilities, enhancing device security for its users. 2 sources 24