Title Products Classification Last Updated Version Size          Download
2025-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5070884) Microsoft Server operating system-21H2 Security Updates 10/23/2025 n/a 410.0 MB 429927901
2025-10 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5070879) Microsoft Server Operating System-23H2 Security Updates 10/23/2025 n/a 198.7 MB 208345904
2025-10 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5070881) (26100.6905) Microsoft Server Operating System-24H2 Security Updates 10/23/2025 n/a 3933.7 MB 4124822752
2025-10 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5070773) (26100.6901) Microsoft Server Operating System-24H2 Updates 10/20/2025 n/a 3933.5 MB 4124542190
2025-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5066782) Microsoft Server operating system-21H2 Security Updates 10/14/2025 n/a 408.3 MB 428141844
2025-10 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5066780) Microsoft Server Operating System-23H2 Security Updates 10/14/2025 n/a 198.6 MB 208292300
2025-10 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5066835) (26100.6899) Microsoft Server Operating System-24H2 Security Updates 10/14/2025 n/a 3933.9 MB 4125007139
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5066129) Microsoft Server Operating System-23H2 Security Updates 10/14/2025 n/a 71.5 MB 74931540
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5066139) Microsoft Server operating system-21H2 Security Updates 10/14/2025 n/a 72.6 MB 76133287
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5066131) Microsoft Server Operating System-24H2 Security Updates 10/14/2025 n/a 71.6 MB 75061732
2025-10 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5066743) Microsoft Server operating system-21H2 Security Updates 10/14/2025 n/a 145.0 MB 152003191
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5066134) Microsoft Server operating system-21H2 Security Updates 10/14/2025 n/a 72.4 MB 75869904
2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5066131) Microsoft Server Operating System-24H2 Security Updates 10/14/2025 n/a 88.2 MB 92441087
2025-09 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5068221) (26100.6588) Microsoft Server Operating System-24H2 Updates 9/22/2025 n/a 3811.2 MB 3996373680
2025-09 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5065432) Microsoft Server operating system-21H2 Security Updates 9/9/2025 n/a 402.8 MB 422411416
2025-09 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5065425) Microsoft Server Operating System-23H2 Security Updates 9/9/2025 n/a 197.8 MB 207364771
2025-09 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5065426) (26100.6584) Microsoft Server Operating System-24H2 Security Updates 9/9/2025 n/a 3811.1 MB 3996211602
2025-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5065753) Microsoft Server operating system-21H2 Updates 9/9/2025 n/a 72.4 MB 75869518
2025-09 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5065962) Microsoft Server operating system-21H2 Updates 9/9/2025 n/a 145.0 MB 152008130
2025-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5064401) Microsoft Server Operating System-24H2 Updates 9/9/2025 n/a 88.2 MB 92434960
2025-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5065756) Microsoft Server Operating System-23H2 Updates 9/9/2025 n/a 71.5 MB 74943116
2025-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5065748) Microsoft Server operating system-21H2 Updates 9/9/2025 n/a 72.6 MB 76138612
2025-09 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5064401) Microsoft Server Operating System-24H2 Updates 9/9/2025 n/a 71.6 MB 75054896
2025-08 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5063880) Microsoft Server operating system-21H2 Security Updates 8/12/2025 n/a 402.0 MB 421493495
2025-08 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5063899) Microsoft Server Operating System-23H2 Security Updates 8/12/2025 n/a 195.6 MB 205053938
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