Title Products Classification Last Updated Version Size          Download
2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5082314) Microsoft Server operating system-21H2 Updates 3/2/2026 n/a 413.0 MB 433051920
2026-02 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5075899) (26100.32370) Microsoft Server Operating System-24H2 Security Updates 2/10/2026 n/a 1869.7 MB 1960564195
2026-02 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5075897) Microsoft Server Operating System-23H2 Security Updates 2/10/2026 n/a 207.5 MB 217623246
2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5075906) Microsoft Server operating system-21H2 Security Updates 2/10/2026 n/a 412.4 MB 432394998
2026-01 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5078135) (26100.32236) Microsoft Server Operating System-24H2 Updates 1/24/2026 n/a 1865.1 MB 1955653775
2026-01 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5078133) Microsoft Server Operating System-23H2 Updates 1/24/2026 n/a 206.3 MB 216342453
2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078136) Microsoft Server operating system-21H2 Updates 1/24/2026 n/a 413.6 MB 433696310
2026-01 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5077793) (26100.32234) Microsoft Server Operating System-24H2 Updates 1/17/2026 n/a 1865.5 MB 1956125954
2026-01 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5077792) Microsoft Server Operating System-23H2 Updates 1/17/2026 n/a 206.3 MB 216340697
2026-01 Cumulative Update Preview for Microsoft server operating system version 21H2 for x64-based Systems (KB5077800) Microsoft Server operating system-21H2 Updates 1/17/2026 n/a 415.0 MB 435179677
2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5073457) Microsoft Server operating system-21H2 Security Updates 1/13/2026 n/a 413.4 MB 433479078
2026-01 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5073379) (26100.32230) Microsoft Server Operating System-24H2 Security Updates 1/13/2026 n/a 1864.4 MB 1954917396
2026-01 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5073450) Microsoft Server Operating System-23H2 Security Updates 1/13/2026 n/a 206.3 MB 216347009
2025-12 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5071547) Microsoft Server operating system-21H2 Security Updates 12/9/2025 n/a 412.1 MB 432136027
2025-12 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5072033) (26100.7462) Microsoft Server Operating System-24H2 Security Updates 12/9/2025 n/a 4279.1 MB 4486974416
2025-12 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5071542) Microsoft Server Operating System-23H2 Security Updates 12/9/2025 n/a 204.9 MB 214871650
2025-11 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5072359) (26100.7178) Microsoft Server Operating System-24H2 Updates 11/18/2025 n/a 3912.2 MB 4102244977
2025-11 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5068787) Microsoft Server operating system-21H2 Security Updates 11/11/2025 n/a 412.8 MB 432872715
2025-11 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5068779) Microsoft Server Operating System-23H2 Security Updates 11/11/2025 n/a 204.1 MB 214025837
2025-11 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5068861) (26100.7171) Microsoft Server Operating System-24H2 Security Updates 11/11/2025 n/a 3912.1 MB 4102111474
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
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