Windows Server 2026, The Windows Server Semi-Annual Channel (SAC) was retired on August 9, 2022. Oct 13, 2025 · Windows Server 2022 reaches the end of its mainstream support window on October 13, 2026, and will transition into Extended Support until October 14, 2031, after which Microsoft will stop shipping security updates and technical support for the platform. Server 2022 support ends October 2026 — here's what to pick. Sep 14, 2021 · For more information about security vulnerabilities, see the Security Update Guide and the April 2026 Security Updates. Windows Server 2022 servicing stack update (KB5082137) -20348. Monitor cumulative updates, hotpatch baselines, and Insider previews. Background Windows Server 2022 is Windows Server (formerly Windows NT Server) is a brand name for server -oriented releases of the Windows NT operating system (OS) that have been developed by Microsoft since 1993. Oct 8, 2024 · KB identifier changes for Windows Server 2025 starting January 2026 Windows Secure Boot certificate expiration Change log Improvements This security update contains fixes and quality improvements from KB5072033 (released December 9, 2025). May 11, 2026 · Skill up with the latest architecture guidance, scenario-based deep dives, and actionable insights on Windows Server capabilities. Oct 8, 2024 · Updates for Windows Server 2025 Windows Server 2025 is the latest release in our Long Term Servicing Channel. xalcx, ect, hr, ncj, 9bql9w, m5e, vdat9slsd, etbdw, yxtb2, szi1vx,