Title Products Classification Last Updated Version Size          Download
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 .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 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 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 24H2 for x64 (KB5064401) Microsoft Server Operating System-24H2 Updates 9/9/2025 n/a 71.6 MB 75054896
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
2025-08 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
2025-07 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5062572) Microsoft Server operating system-21H2 Security Updates 7/8/2025 n/a 399.5 MB 418934396
2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5056579) Microsoft Server Operating System-24H2 Updates 7/8/2025 n/a 71.6 MB 75047692
2025-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5062063) Microsoft Server operating system-21H2 Updates 7/8/2025 n/a 72.5 MB 76025527
2025-07 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5062159) Microsoft Server operating system-21H2 Updates 7/8/2025 n/a 144.9 MB 151896816
2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5062061) Microsoft Server operating system-21H2 Updates 7/8/2025 n/a 72.4 MB 75871289
2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5056579) Microsoft Server Operating System-24H2 Updates 7/8/2025 n/a 88.1 MB 92420187
2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5062062) Microsoft Server Operating System-23H2 Updates 7/8/2025 n/a 71.5 MB 74921180
2025-06 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5060526) Microsoft Server operating system-21H2 Security Updates 6/10/2025 n/a 397.6 MB 416901170
2025-05 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5061906) Microsoft Server operating system-21H2 Updates 5/23/2025 n/a 393.6 MB 412751252
2025-05 Cumulative Update for Microsoft server operating system, version 22H2 for x64-based Systems (KB5058385) Microsoft Server Operating System-22H2 Security Updates 5/13/2025 n/a 392.6 MB 411687224
2025-05 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5058385) Microsoft Server operating system-21H2 Security Updates 5/13/2025 n/a 392.6 MB 411687224
2025-04 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5059092) Microsoft Server operating system-21H2 Updates 4/16/2025 n/a 393.2 MB 412313313
2025-04 Cumulative Update for Microsoft server operating system, version 22H2 for x64-based Systems (KB5058920) Microsoft Server Operating System-22H2 Updates 4/11/2025 n/a 389.9 MB 408831853
2025-04 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5058920) Microsoft Server operating system-21H2 Updates 4/11/2025 n/a 389.9 MB 408831853
2025-04 Cumulative Update for Microsoft server operating system, version 22H2 for x64-based Systems (KB5055526) Microsoft Server Operating System-22H2 Security Updates 4/8/2025 n/a 389.0 MB 407863917
2025-04 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5055526) Microsoft Server operating system-21H2 Security Updates 4/8/2025 n/a 389.0 MB 407863917
2025-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5055688) Microsoft Server operating system-21H2 Updates 4/8/2025 n/a 144.8 MB 151799359
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