KB5008876 Cumulative Update .NET Framework 3.5 and 4.8 for Windows 10 Win Update

    KB5008876 Cumulative Update .NET Framework 3.5 and 4.8 for Windows 10

    KB5008876 Cumulative Update .NET Framework 3.5 and 4.8 for Windows 10

    Cumulative Update for Windows 10 version 20H2, 21H1, and 21H2 - Jan. 11
    Category: Win Update
    Last Updated: 11 Jan 2022 at 16:37

    January 11, 2022-KB5008876 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2, Windows Server, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2

    Summary

    Security Improvements

    This security update addresses an issue where an unauthenticated attacker could cause a denial of service on an affected system. For more information please see CVE-2022-21911.

    Quality and reliability improvements

    WPF1 - Addresses an issue where WPF does not respond to touch if the WPF window was activated by a touch manipulation (e.g. swiping a listbox).
    - Adds a mitigation for an issue involving tearing, flickering, or incorrect composition of visual content under high GPU-load conditions.
    - Addresses an issue where the extra information associated with a WM_KEYDOWN message is discarded before the handlers for the PreviewKeyDown or KeyDown events can retrieve it via GetMessageExtraInfo.
    - Addresses an issue where AutomationElement.FindFirst or FindAll do not search the subtree of an hwnd whose UIA_WindowVisibilityOverridden property is set to 1.
    - Addresses an issue where a binding on TextBox.Text with UpdateSourceTrigger=PropertyChanged produces incorrect results when the Microsoft Quick IME is used.
    SQL Connectivity - Under certain error cases caused due to NullReferenceException thrown while populating SqlParameter values using customer provided delegates, the SqlClient driver may not cleanup the state of connection state. The connection in bad state, can make its way into the connection pool and may be picked up for reuse causing unexpected failures on the connection. If such a condition is recognized, an AppContext Switch “Switch.System.Data.SqlClient.CleanupParserOnAllFailures”, may be enabled to clean up connections on any kind of failures even while running into errors with delegates.
    WCF2 - Addresses a failure to correctly timeout a failed request when making an asynchronous WCF call over HTTP. If the service has sent a partial response message and fails to send the remainder of the response, the client may not fail the call after the configured timeout.
    1 Windows Presentation Foundation (WPF)
    2 Windows Communication Foundation (WCF)

    Known issues in this update

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

    How to get this update

    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.
    Windows Update for Business 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 sync with WSUS if you configure Products and Classifications as follows:
    Product: Windows 10, version 20H2, Windows Server, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2
    Classification: Security Updates

    File information

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


    Source: https://support.microsoft.com/en-us/help/5008876


    Direct download links for KB5008876 MSU file from Microsoft Update Catalog:

    Download KB5008876 MSU for Windows 10 v20H2, and v21H1 32-bit (x86) - 41.9 MB

    Download KB5008876 MSU for Windows 10 v20H2, and v21H1 64-bit (x64) - 65.4 MB

    Download KB5008876 MSU for Windows 10 v20H2, and v21H1 ARM64 - 41.9 MB
    Brink's Avatar Posted By: Brink
    11 Jan 2022


  1. Posts : 68,661
    64-bit Windows 11 Pro for Workstations
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  2. Posts : 1,468
    Windows 10 Pro x64-bit Build Latest
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    Installing now...
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