October 13, 2026-KB5128923 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

改善点 このセキュリティ更新プログラムには、 KB5082142 (2026 年 4 月 14 日リリース) と KB5091575 (2026 年 4 月 19 日リリース) の修正プログラムと品質強化が含まれています。 以下の概要は、この更新プログラムによって対処される主な問題の概要です。 また、利用可能な新機能も含まれています ...

Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Delta ring today. Continue reading below to learn all about what's included with this update.

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The October 13, 2026 update for Windows 11 26H2 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 CVE-2026-58280 - .NET Framework Denial of Service ...

Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows Server 2022. Security Improvements CVE-2026-62886 - .NET Framework Elevation of Privilege vulnerability This security update addresses an elevation of privilege vulnerability detailed in CVE-2026-62886. CVE-2026-69522 - .NET Framework Remote Code Execution vulnerability This security update ...

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Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

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Note The release notes below are only for users enrolled in the PC Gaming Preview. For information on versions shipped to the public, please visit the following page linked below: