Windows 10: Cumulative Update KB4088891 Windows 10 v1703 Build 15063.994 - Mar. 22

  1. Brink's Avatar
    Posts : 33,055
    64-bit Windows 10 Pro build 18252
       22 Mar 2018 #1

    Cumulative Update KB4088891 Windows 10 v1703 Build 15063.994 - Mar. 22

    March 22, 2018 - KB4088891 (OS Build 15063.994)

    Applies to: Windows 10 Version 1703

    Improvements and fixes

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

    • Addresses issue with a GDI handle leak in the Windows Ribbon control.
    • Addresses issue where, during BitLocker decryption or encryption of a drive, files protected with the Encrypting File System (EFS) may become corrupted.
    • Addresses issue where, when an iSCSI request contains an incomplete header in the first packet, iSCSI may not recognize when a request has been sent.
    • Adds support in stornvme for additional SSDs.
    • Addresses issue where the Japanese keyboard layout was not functioning properly during a Remote Assistance session.
    • Addresses rendering issue in Microsoft Edge for PDF documents with backgrounds created using various third-party publishing tools.
    • Addresses issue that decreases the Universal CRT’s performance in the _gcvt and _gcvt_s functions.
    • Addresses issue in which the output to a file or pipe was fully buffered in the Universal CRT for the standard error (STDERR) stream.
    • Addresses issue in the Universal CRT by adding the "x" access mode flag to support the fopen() function.
    • Addresses issue with a race condition in the Universal C Runtime (CRT) that occurs when you update the global locale. The issue corrupts the current locale reference count and triggers a double free condition.

    If you installed earlier updates, only the new fixes contained 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 if you go to the Windows Settings > Update & Security > Windows Update page, and click Check online for updates from Microsoft Update.

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

    Important When installing both the SSU (KB4088825) and the LCU updates from the Microsoft Update Catalog, install the SSU before installing the LCU.

    File information

    For a list of the files that are provided in this update, download the file information for cumulative update 4088891.


    Direct download links for KB4088891 MSU file from Microsoft Update Catalog:

    Download KB4088891 MSU for Windows 10 v1703 32-bit (x86) - 626.6 MB

    Download KB4088891 MSU for Windows 10 v1703 64-bit (x64) - 1576.3 MB
    Last edited by Brink; 18 May 2018 at 10:40.
      My ComputersSystem Spec

  2. Bree's Avatar
    Posts : 8,809
    10 Home x64 (1809) (10 Pro on 2nd pc)
       22 Mar 2018 #1

    Along with this cumulative update 1703 gets 'Servicing stack update for Windows 10 Version 1703: March 22, 2018'
      My ComputersSystem Spec

  3. Posts : 6
    window 10 (64bit)
       18 May 2018 #2

    I had updated KB4088891 (OS Build 15063.994). it seems good as curry pie & took a while to installed. I know everyone is going to 1709 build except me.
      My ComputerSystem Spec


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