Title Products Classification Last Updated Version Size          Download
2026-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5094127) Windows 10 and later GDR-DU Security Updates 6/9/2026 n/a 856.7 MB 898356643
2026-06 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5094128) Microsoft Server operating system-21H2 Security Updates 6/9/2026 n/a 541.4 MB 567747281
2026-06 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5094127) Windows 10 LTSB Security Updates 6/9/2026 n/a 873.0 MB 915447649
2026-05 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5087544) Windows 10 and later GDR-DU Security Updates 5/12/2026 n/a 853.5 MB 894951063
2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5087059) Microsoft Server operating system-21H2 Security Updates 5/12/2026 n/a 74.5 MB 78123122
2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5087068) Microsoft Server operating system-21H2 Security Updates 5/12/2026 n/a 74.6 MB 78255445
2026-05 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5087545) Microsoft Server operating system-21H2 Security Updates 5/12/2026 n/a 539.4 MB 565567533
2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5088862) Microsoft Server operating system-21H2 Security Updates 5/12/2026 n/a 149.1 MB 156378567
2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5088859) Windows 10 LTSB Security Updates 5/12/2026 n/a 152.1 MB 159496323
2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5087064) Windows 10 LTSB Security Updates 5/12/2026 n/a 76.4 MB 80107869
2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5087053) Windows 10 LTSB Security Updates 5/12/2026 n/a 75.7 MB 79388454
2026-05 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5087544) Windows 10 LTSB Security Updates 5/12/2026 n/a 869.8 MB 912022285
2026-04 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5082200) Windows 10 and later GDR-DU Security Updates 4/14/2026 n/a 842.5 MB 883422156
2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5082425) Microsoft Server operating system-21H2 Security Updates 4/14/2026 n/a 74.5 MB 78129614
2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5084071) Microsoft Server operating system-21H2 Security Updates 4/14/2026 n/a 149.1 MB 156360324
2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5082427) Microsoft Server operating system-21H2 Security Updates 4/14/2026 n/a 74.6 MB 78230710
2026-04 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5082142) Microsoft Server operating system-21H2 Security Updates 4/14/2026 n/a 515.8 MB 540859310
2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5082426) Windows 10 LTSB Security Updates 4/14/2026 n/a 76.1 MB 79844564
2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5082419) Windows 10 LTSB Security Updates 4/14/2026 n/a 75.8 MB 79518963
2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5084067) Windows 10 LTSB Security Updates 4/14/2026 n/a 152.0 MB 159363527
2026-04 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5082200) Windows 10 LTSB Security Updates 4/14/2026 n/a 858.8 MB 900487710
2026-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5078885) Windows 10 and later GDR-DU Security Updates 3/10/2026 n/a 829.9 MB 870165779
2026-03 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078766) Microsoft Server operating system-21H2 Security Updates 3/10/2026 n/a 499.4 MB 523660670
2026-03 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5078885) Windows 10 LTSB Security Updates 3/10/2026 n/a 846.1 MB 887209056
2026-02 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5075912) Windows 10 and later GDR-DU Security Updates 2/10/2026 n/a 822.7 MB 862699282
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