Cumulative Update KB4343887 Windows 10 v1607 Build 14393.2430 -Aug. 14

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    Posts : 41,408
    64-bit Windows 10 Pro build 18963
       #1

    Cumulative Update KB4343887 Windows 10 v1607 Build 14393.2430 -Aug. 14


    August 14, 2018 - KB4343887 (OS Build 14393.2430)

    Applies to: Windows 10, version 1607, Windows Server 2016


    Windows 10, version 1607, reached end of service on April 10, 2018. Devices running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.
    IMPORTANT: Windows 10 Enterprise and Windows 10 Education editions will receive six months of additional servicing at no cost. Devices on the Long-Term Servicing Channels (LTSC) will continue to receive updates until October 2026 per the Lifecycle Policy page. Windows 10 Anniversary Update (v. 1607) devices running the Intel “Clovertrail” chipset will continue to receive updates until January 2023 per the Microsoft Community blog.


    Improvements and fixes

    This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

    • Provides protections against a new speculative execution side-channel vulnerability known as L1 Terminal Fault (L1TF) that affects Intel® Core® processors and Intel® Xeon® processors (CVE-2018-3620 and CVE-2018-3646). Make sure previous OS protections against Spectre Variant 2 and Meltdown vulnerabilities are enabled using the registry settings outlined in the Windows Client and Windows Server guidance KB articles. (These registry settings are enabled by default for Windows Client OS editions, but disabled by default for Windows Server OS editions.)
    • Addresses an issue that causes high CPU usage that results in performance degradation on some systems with Family 15h and 16h AMD processors. This issue occurs after installing the June 2018 or July 2018 Windows updates from Microsoft and the AMD microcode updates that address Spectre Variant 2 (CVE-2017-5715 – Branch Target Injection).
    • Addresses an issue that causes Internet Explorer to stop working for certain websites.
    • Addresses an issue that causes Device Guard to block some ieframe.dll class IDs after installing the May 2018 Cumulative Update.
    • Ensures that Internet Explorer and Microsoft Edge support the preload="none" tag.
    • Addresses a vulnerability related to the Export-Modulemember() function when used with a wildcard (*) and a dot-sourcing script. After installing this update, existing modules on devices that have Device Guard enabled will intentionally fail. The exception error is “This module uses the dot-source operator while exporting functions using wildcard characters, and this is disallowed when the system is under application verification enforcement”. For more information, see https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8200 and https://aka.ms/PSModuleFunctionExport.
    • [ADDED 8/22] Addresses a vulnerability issue by correcting the way that the .NET Framework handles high-load or high-density network connections. For more information, see CVE-2018-8360.
    • Security updates to Windows Server.

    Note This update is not available with express installation files for Windows Server 2016.

    If you installed earlier updates, only the new fixes in this package will be downloaded and installed on your device.

    For more information about the resolved security vulnerabilities, see the Security Update Guide.

    Windows Update Improvements
    Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 Feature Update based on device compatibility and Windows Update for Business deferral policy. This does not apply to long-term servicing editions.


    Known issues in this update

    Microsoft is not currently aware of any issues with this update.

    How to get this update

    This update will be downloaded and installed automatically from Windows Update.

    To get the standalone package for this update, go to the Microsoft Update Catalog website.

    Prerequisite: The servicing stack update (SSU) (KB4132216) must be installed before installing the latest cumulative update (LCU) (KB4343887). The LCU will not be reported as applicable until the SSU is installed.

    File information

    For a list of the files that are provided in this update, download the file information for cumulative update 4343887.


    Source: https://support.microsoft.com/en-us/...date-kb4343887


    Direct download links for KB4343887 from Microsoft Update Catalog:

    Download KB4343887 MSU for Windows 10 Version 1607 32-bit (x86) - 688.8 MB

    Download KB4343887 MSU for Windows 10 Version 1607 64-bit (x64) - 1314.0 MB


    Last edited by Brink; 22 Aug 2018 at 09:29.
      My ComputersSystem Spec

  2. Brink's Avatar
    Posts : 41,408
    64-bit Windows 10 Pro build 18963
       #1

    UPDATE:

    New "Improvements and fixes" below added for KB4343887 in first post.

    • Addresses a vulnerability issue by correcting the way that the .NET Framework handles high-load or high-density network connections. For more information, see CVE-2018-8360.
      My ComputersSystem Spec


 

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