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Microsoft Patch Tuesday security updates for January 2026 fixed actively exploited zero

Securityaffairs.Co •Pierluigi Paganini • January 14, 2026

Microsoft Patch Tuesday addressed 112 security flaws across Windows, Office, Azure, Edge, and more, including eight critical vulnerabilities, kicking off the new year with a major patch update. Microsoft Patch Tuesday security updates for January 2026 release 112 CVEs affecting Windows, Office, Azure, Edge, SharePoint, SQL Server, SMB, and Windows management services. Including third-party Chromium […]

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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 January 2026 Patch Tuesday Addresses 114 Vulnerabilities On January 10, 2026, Microsoft released its Patch Tuesday updates, fixing 114 vulnerabilities, including three classified as zero-day flaws. These updates affect various Microsoft products and are crucial for maintaining system security against potential exploits. 61 sources 24

Microsoft Patch Tuesday security updates for January 2026 fixed actively exploited zero

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