Privacy & online safety | XBOX Support
Learn how to secure and manage your Xbox family group's online safety and privacy settings effectively.
May 12, 2026-KB5088864 Cumulative Update for .NET Framework 3.5, 4.7.2 ...
Summary This article describes the security and cumulative update for 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019. Security Improvements CVE-2026-32177 - .NET Framework Elevation of Privilege vulnerability This security update addresses a Elevation of Privilege vulnerability detailed in CVE-2026-32177. CVE-2026-35433 - .NET Framework Elevation of Privilege ...
Product safety guidelines | Microsoft Support
Learn more about Microsoft product safety for Surface, Xbox and HoloLens, including product safety warnings and information on how to report a product safety event.
帳戶與設定檔 | XBOX Support
尋找管理 Microsoft 帳戶、XBOX 設定檔等項目所需的一切資源。
What happens if there's an unusual sign-in to your account
Tell me about what happens if there's an unusual sign-in Show me how to manage unusual activity. Show me how to manage recent activity.
Applies To:
Microsoft account dashboard
2026 年 7 月 18 日 — KB5121767 (OS ビルド 26200.8894 および 26100.8894) 帯域外
Windows 11 バージョン 25H2 および Windows 11 バージョン 24H2 (KB5121767) のこの帯域外 (OOB) 更新プログラムは累積的です。 これには、以前のセキュリティ更新プログラムとセキュリティ以外の更新プログラムからのすべての機能強化と、追加の修正が含まれています。 改善点 この OOB 更新プログラムに ...
August 11, 2026—KB5120242 (OS Build 20348.5499) | Microsoft Support
This cumulative update for Windows Server 2022 (KB5120242), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. Visit the Windows release health dashboard for the latest status on this release. Announcements and messages This section provides key notifications related to this release, including announcements, change ...
Microsoft Support
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Back up your accounts in Microsoft Authenticator
Android iOS To back up your one-time password accounts on an Android device: Open Microsoft Authenticator Tap then Settings. Turn on the Cloud Backup toggle. Select a Microsoft personal account where the backup will be stored.
August 27, 2026-KB5122385 Cumulative Update for .NET Framework 3.5 and ...
The August 27, 2026 update for Windows 11, version 25H2 and Microsoft server operating system 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements ...