Cumulative Update KB4520011 Windows 10 v1507 Build 10240.18368 - Oct.8 Win Update

    Cumulative Update KB4520011 Windows 10 v1507 Build 10240.18368 - Oct.8

    Cumulative Update KB4520011 Windows 10 v1507 Build 10240.18368 - Oct.8

    Category: Win Update
    Posted: 08 Oct 2019

    October 8, 2019 - KB4520011 (OS Build 10240.18368)

    Applies to: Windows 10

    For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.

    Highlights

    • Updates to improve security when using Internet Explorer and Microsoft Edge.
    • Updates for verifying user names and passwords.
    • Updates for storing and managing files.

    Improvements and fixes

    This security update includes quality improvements. Key changes include:

    • Addresses an issue that prevents netdom.exe from displaying the new ticket-granting ticket (TGT) delegation bit for the display or query mode.
    • Addresses an issue in security bulletin CVE-2019-1318 that may cause client or server computers that don’t support Extended Master Secret (EMS) RFC 7627 to have increased connection latency and CPU utilization. This issue occurs while performing full Transport Layer Security (TLS) handshakes from devices that don’t support EMS, especially on servers. EMS support has been available for all the supported versions of Windows since calendar year 2015 and is being incrementally enforced by the installation of the October 8, 2019 and later monthly updates.
    • Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 32-Bit (x86) versions of Windows (CVE-2019-11091,CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client article. (These registry settings are enabled by default for Windows Client OS editions.)
    • Addresses an issue with applications and printer drivers that utilize the Windows JavaScript engine (jscript.dll) for processing print jobs.
    • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Windows Cryptography, Windows Authentication, Windows Storage and Filesystems, Windows Kernel, and Windows Server.

    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, please refer to 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 doesn't apply to long-term servicing editions.


    Known issues in this update

    Symptom Workaround
    Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege. Do one of the following:

    • Perform the operation from a process that has administrator privilege.
    • Perform the operation from a node that doesn’t have CSV ownership.

    Microsoft is working on a resolution and will provide an update in an upcoming release.

    How to get this update

    Before installing this update

    Microsoft strongly recommends that you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, see Servicing stack updates.

    If you are using Windows Update, the latest SSU (KB4521856) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

    Install this update

    Release Channel Available Next Step
    Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update.
    Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website.
    Windows Server Update Services (WSUS) Yes This update will automatically synchronize with WSUS if you configure Products and Classifications as follows:
    Product: Windows 10
    Classification: Security Updates

    File information

    For a list of the files that are provided in this update, download the file information for cumulative update 4520011.


    Source: https://support.microsoft.com/en-us/help/4520011


    Direct download links for KB4520011 from Microsoft Update Catalog:

    Download KB4520011 MSU for Windows 10 Version 1507 32-bit (x86) - 593.2 MB

    Download KB4520011 MSU for Windows 10 Version 1507 64-bit (x64) - 1033.1 MB


    Find Windows 10 Version Number

    Find Windows 10 Build Number

    Known issues and notifications in Windows 10 version 1507 - Windows Release Information | Microsoft Docs

    Resolved issues in Windows 10 version 1507 - Windows Release Information | Microsoft Docs

    Brink's Avatar Posted By: Brink
    08 Oct 2019


 

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