April Patch Tuesday Updates Are Live for Windows 10 Versions 1903, 1809, 1803, and Others

Apr 9, 2019
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Microsoft has started releasing the scheduled Patch Tuesday security updates for several versions of the operating system, including the April 2018 Update and the Fall Creators Update. The latter hits its end of service deadline today as version 1703 will no longer receive updates for Home and Pro users. As reported earlier, the May 2019 Update (currently in the Release Preview ring) is also receiving Patch Tuesday security updates.

Windows 10 1803 Build 17134.706 (KB4493464)

  • Provides protections against Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754) for VIA-based computers. These protections are enabled by default for the Windows Client, but disabled by default for Windows Server. For Windows Client (IT Pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable or disable these mitigations for VIA-based computers.

  • Addresses a stop error that occurs when attempting to start the Secure Shell (SSH) client program from Windows Subsystem for Linux (WSL) with agent forwarding enabled using a command line switch (ssh –A) or a configuration setting.
  • Addresses an issue that may cause applications that use MSXML6 to stop responding if an exception was thrown during node operations.
  • Addresses an issue that causes the Group Policy editor to stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 Internet settings.
  • Addresses an issue that occurs when you enable per font end-user-defined characters (EUDC). The system will stop working and a blue screen will appear at startup. This is not a common setting in non-Asian regions.
  • Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Storage and Filesystems, Windows Server, Windows Graphics, Windows Input and Composition, Windows Kernel, Windows Virtualization, Windows MSXML, and the Microsoft JET Database Engine.

There are also two known issues with this build; details are available here.

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Windows 10 Fall Creators Update Build 16299.1087 (KB4493441)

As mentioned above, today is the end of service deadline for devices running Windows 10 Home, Pro, Pro for Workstation, and IoT Core editions. Today’s release brings the following improvements:

  • Addresses an issue that may cause applications that use MSXML6 to stop responding if an exception was thrown during node operations.
  • Addresses an issue that causes the Group Policy editor to stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 Internet settings.
  • Addresses a stop error that occurs when attempting to start the Secure Shell (SSH) client program from Windows Subsystem for Linux (WSL) with agent forwarding enabled using a command line switch (ssh –A) or a configuration setting.
  • Addresses an issue that occurs when you enable per font end-user-defined characters (EUDC). The system will stop working and a blue screen will appear at startup. This is not a common setting in non-Asian regions.
  • Security updates to Microsoft Scripting Engine, Windows Input and Composition, Windows Graphics, Microsoft Graphics Component, Windows App Platform and Frameworks, Windows Storage and Filesystems, Windows Server, Windows Datacenter Networking, Windows Server, Windows MSXML, Windows Kernel, Windows Virtualization, and the Microsoft JET Database Engine.

Microsoft has released KB4495357 for Windows 10 Mobile (Build 15254.562). Updates are also available for version 1703 (KB4493474), 1607 (KB4493470), and the original Windows 10 (KB4493475).

[Update]: updates are available for Windows 10 1809, as well

Microsoft has also released Build 17763.437 (KB4493509) to Windows 10 October 2018 Update. Here’s the complete changelog:

  • Addresses an issue that occurs when you enable per font end-user-defined characters (EUDC). The system will stop working and a blue screen will appear at startup. This is not a common setting in non-Asian regions.
  • Addresses an issue that may cause applications that use MSXML6 to stop responding if an exception was thrown during node operations.
  • Addresses an issue that causes the Group Policy editor to stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 Internet settings.
  • Addresses an issue that may cause authentication issues for Internet Explorer 11 and other applications that use WININET.DLL. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons.
  • Security updates to Windows Datacenter Networking, Windows Server, the Microsoft JET Database Engine, Windows Kernel, Windows Input and Composition, Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Storage and Filesystems, Microsoft Graphics Component, Windows Virtualization, Windows MSXML, Windows SQL components, and Microsoft Edge.

– Earlier: how to install the May 2019 Update before everyone else

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