Windows 10 · 22H2 · Release · Security update (Patch Tuesday)

Feature update to Windows 10, version 22H2 (19045.7807)

Windows 10 22H2: Regular support ended October 14, 2025; eligible ESU and LTSC devices have separate servicing

Microsoft release information · Verified Oct 13, 2026

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AI summary

Windows 10 version 22H2 build 19045.7807 is the October 13, 2026 B security update, KB5126657, for ESU devices. It adds time-zone/DST updates and ReFS auditing controls, and includes fixes for Storage Spaces Direct and File History, plus continued Secure Boot certificate deployment. Microsoft KB5126657

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