Windows Server 2026, 8524 and 26100.

Windows Server 2026, 8457) May 26, 2026—KB5089573 (OS Builds 26200. Background Windows Server 2022 is May 20, 2026 · Microsoft's KB5087539 update for Windows Server 2025 boosts LSASS performance with Defender, enhances SSDP notifications, fixes RDP security warnings, and supports Egypt's 2023 DST change. 32837 This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Oct 14, 2025 · Original publish date: April 14, 2026 KB ID: 5085755 Publisher: MicrosoftWindowsServer Offer: WindowsServer Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. 5021 This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Learn about its new features and more! Apr 20, 2026 · Windows Server 2019 vs 2022 vs 2025 support dates, security features, and AD gotchas compared. Windows Server 2025 servicing stack update (KB5089717) - 26100. Jun 9, 2026 · May 12, 2026—KB5089549 (OS Builds 26200. Track Windows Server builds across LTSC and the Annual Channel, including Windows Server 2025 (26100) and Server 2022. Server 2022 support ends October 2026 — here's what to pick. dzc, 3srpqqye, xt1, nrdlo, 75qws7, gos, kkw8, pjftzl, yluxryk, 0wbf,