October 14, 2025—KB5066873 (Monthly Rollup)

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October 14, 2025—KB5066876 (Security-only update)

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October 14, 2025—KB5066872 (Monthly Rollup)

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October 14, 2025—KB5066877 (Security-only update)

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October 14, 2025—KB5066875 (Monthly Rollup)

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October 24, 2025—KB5070892 (OS Build 20348.4297) Security Update for Windows Server Update Services

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October 23, 2025—KB5070887 (Monthly Rollup) Out-of-band

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October 23, 2025—KB5070883 (OS Build 17763.7922) Out-of-band

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October 14, 2025-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5066739)

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October 14, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5066741)

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October 14, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5066740)

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October 14, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5066742)

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KB5066840: Cumulative security update for Internet Explorer: October 14, 2025

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October 14, 2025-KB5066743 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

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October 23, 2025—KB5070886 (Monthly Rollup) Out-of-band

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October 23, 2025—KB5070884 (OS Build 20348.4297) Out-of-band

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October 23, 2025—KB5070881 (OS Build 26100.6905) Out-of-band

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October 23, 2025—KB5070882 (OS Build 14393.8524) Out-of-band

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October 24, 2025—KB5070893 (OS Build 26100.6905) Security Update for Windows Server Update Services

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September 9, 2025—KB5065428 (OS Build 17763.7792)

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