KB4601319

詳細情報

KB番号	KB4601319
リリース日	2021/02/09
Windowsバージョン	Windows 10 20H2 / Windows 10 2004
ビルド番号	19042.804 / 19041.804
URL(英語)	https://support.microsoft.com/en-us/help/4601319
URL(日本語)	https://support.microsoft.com/ja-jp/help/4601319
ダウンロード	Microsoft Update Catalog

Updates to improve security when using input devices such as a mouse, keyboard, or pen.
Updates for verifying usernames and passwords.

Addresses a possible elevation of privilege vulnerability in the win32k component.
Addresses an issue that might damage the file system of some devices and prevent them from starting up after running chkdsk /f.
Updates the Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472) to enable Enforcement mode. For more details, see CVE-2020-1472 and How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472.
Security updates to the Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Cloud Infrastructure, Windows Management, Windows Authentication, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Core Networking, and Windows Hybrid Cloud Networking.

When using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually. Note The affected apps are using the ImmGetCompositionString() function.	This issue is resolved in KB5005101.
Microsoft and Discord have found incompatibility issues with some games using Direct3D 12 when the in-game overlay feature of Discord is enabled. When attempting to open affected games you might receive an error, or the game might close silently.	To mitigate this issue, you can turn off the in-game overlay in settings within the Discord app. This issue is now resolved in an update to the Discord app. To verify you're on the latest version, right click on the Discord icon in the notification area and select "Check for updates...". If there are updates to install, it should install automatically but you might need to select the arrow icon in the upper right corner of the app to install the updated version. There is no update for Windows needed to resolve this issue.

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