Windows 10 · Release · Security update (Patch Tuesday)

Feature update to Windows 10, version 1809 (17763.9487)

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AI summary

This is a Release-channel Windows 10 version 1809 build, OS build 17763.9487 (KB5131085, November 10, 2026). The update documents fixes including Cuba daylight-saving-time rules and issues with printer setup, deployment services, Remote Desktop, and Exchange; Microsoft lists it for Windows 10 Enterprise LTSC 2019 and Windows Server 2019. (support.microsoft.com)

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