Windows 10 · Release · Security update (Patch Tuesday)

September 8, 2020—KB4577049 (OS Build 10240.18696)

What's in this update

Updates to improve security when using Microsoft Office products. Updates to improve security when using input devices such as a mouse, keyboard, or pen. Updates to improve security when Windows performs basic operations. Updates for storing and managing files.

From Microsoft's release notes for KB4577049.

Microsoft's known issues — KB4577049

  • Issue Known issue Microsoft is currently not aware of any issues with this update.

Microsoft's release notes for KB4577049 ›

Known issues — reported on the forum

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In the news

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Discussed on the forum

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