2026-08 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5120242)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

February 13, 2024—KB5034763 (OS Builds 19044.4046 and 19045.4046) - EXPIRED

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