Title Products Classification Last Updated Version Size          Download
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
2025-09 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
2025-07 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
2025-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5055169) Microsoft Server operating system-21H2 Updates 4/8/2025 n/a 72.4 MB 75951502
2025-01 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5049617) Microsoft Server operating system-21H2 Security Updates 1/14/2025 n/a 72.2 MB 75696965
2024-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5046265) Microsoft Server operating system-21H2 Updates 11/12/2024 n/a 72.2 MB 75696208
2024-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5044025) Microsoft Server operating system-21H2 Security Updates 10/8/2024 n/a 72.1 MB 75615969
2024-08 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5041948) Microsoft Server operating system-21H2 Updates 8/13/2024 n/a 72.0 MB 75524274
2024-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5039889) Microsoft Server operating system-21H2 Security Updates 7/9/2024 n/a 72.0 MB 75515809
2024-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5037930) Microsoft Server operating system-21H2 Updates 5/14/2024 n/a 66.9 MB 70174824
2024-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5036613) Microsoft Server operating system-21H2 Security Updates 4/9/2024 n/a 66.9 MB 70127555
2024-01 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5033914) Microsoft Server operating system-21H2 Security Updates 2/13/2024 n/a 66.1 MB 69313117
2024-02 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5034613) Microsoft Server operating system-21H2 Updates 2/13/2024 n/a 66.1 MB 69352205
2023-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5031993) Microsoft Server operating system-21H2 Security Updates 11/14/2023 n/a 65.6 MB 68775625
2023-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5030999) Microsoft Server operating system-21H2 Updates 10/10/2023 n/a 65.7 MB 68928153
2023-09 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5029928) Microsoft Server operating system-21H2 Security Updates 9/12/2023 n/a 65.7 MB 68914331
2023-08 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5028956) Microsoft Server operating system-21H2 Security Updates 8/8/2023 n/a 65.6 MB 68777284
2023-07 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5028858) Microsoft Server operating system-21H2 Updates 7/11/2023 n/a 65.5 MB 68706694
2023-06 Update for .NET Framework 3.5 for Microsoft server operating system version 21H2 for x64 (KB5028919) Microsoft Server operating system-21H2 Updates 6/29/2023 n/a 9.3 MB 9799689
2023-06 Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5028584) Microsoft Server operating system-21H2 Updates 6/22/2023 n/a 26.3 MB 27579297
2023-06 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5027127) Microsoft Server operating system-21H2 Security Updates 6/13/2023 n/a 65.5 MB 68705839
2023-02 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5022507) Microsoft Server operating system-21H2 Security Updates 5/22/2023 n/a 63.6 MB 66730253
2023-01 Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5023324) Microsoft Server operating system-21H2 Updates 1/31/2023 n/a 7.5 MB 7869351
2022-12 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5020877) Microsoft Server operating system-21H2 Security Updates 12/13/2022 n/a 62.6 MB 65632397
2022-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5020619) Microsoft Server operating system-21H2 Security Updates 11/8/2022 n/a 57.4 MB 60149122
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