Microsoft releases Windows 10 builds 17134.48, 16299.431 - here's what's new

Today is the second Tuesday of the month, meaning that it's time for Microsoft to release cumulative updates for all versions of Windows 10. Being that the Windows 10 April 2018 Update was first made available last week, this also marks the first patch for the newest feature update.

Users of Windows 10 version 1803 will see KB4103721, which brings the build number to 17134.48. It can be manually downloaded here, and contains the following fixes:

  • Addresses an issue with the April 2018 Windows Servicing update that causes App-V Scripts (User Scripts) to stop working.

  • Addresses an issue that prevents certain VPN apps from working on builds of Windows 10, version 1803. These apps were developed using an SDK version that precedes Windows 10, version 1803, and use the public RasSetEntryProperties API.

  • Addresses additional issues with updated time zone information.

  • Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.

  • Security updates to Windows Server, Microsoft Edge, Internet Explorer, Microsoft scripting engine, Windows app platform and frameworks, Windows kernel, Microsoft Graphics Component, Windows storage and filesystems, HTML help, and Windows Hyper-V.

Obviously, the changelog is fairly short, considering how many issues there have been with this update. According to the document though, there are no known issues...at all.

If you played the smart money - meaning that you're waiting for 1803 to come to your PC automatically when Microsoft determines that your hardware is ready - and stayed on Windows 10 version 1709, you'll see KB4103727 on your PC. It brings the build number to 16299.431, and can be manually downloaded here. Here's what's new:

  • Addresses an issue in Internet Explorer that might cause communication between web workers to fail in certain asynchronous scenarios that involve multiple visits to a web page.

  • Updates Internet Explorer and Microsoft Edge to respect the video preload flag in certain scenarios.

  • Addresses an issue on AMD platforms that causes intermittent loss of USB port functionality after resuming from Hibernate (S4).

  • Increases the user account minimum password length in Group Policy from 14 to 20 characters.

  • Addresses an issue with the April 2018 Windows Servicing update that causes App-V Scripts (User Scripts) to stop working.

  • Addresses an issue that prevents customers from typing Hangul correctly with Microsoft's Korean IME in Microsoft Word Online.

  • Addresses an issue that prevents customers from selecting a Microsoft add-in on a second monitor.

  • Addresses a known issue in KB4093105 that may cause the message “We couldn't download Windows Mixed Reality software” to appear on some Windows 10 Mixed Reality devices.

  • Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.

  • Security updates to Microsoft Edge, Internet Explorer, Microsoft scripting engine, Windows app platform and frameworks, Device Guard, Windows kernel, Microsoft Graphics Component, Windows storage and filesystems, Windows Hyper-V, Windows virtualization and kernel, HTML help, and Windows Server.

This one does have a known issue:

Symptom

Workaround

Some non-English platforms may display the following string in English instead of the localized language: ”Reading scheduled jobs from file is not supported in this language mode.” This error appears when you try to read the scheduled jobs you've created and Device Guard is enabled. Microsoft is working on a resolution and will provide an update in an upcoming release.


Windows 10 Mobile devices on version 1709 should see build 15254.401, and although there's no changelog listed yet, it should have the changes as the PC update for version 1703. Speaking of which, those on the Creators Update will see KB4103731, which brings the build number to 15063.1088. It can be manually downloaded here, and contains the following fixes:

  • Addresses an issue in Internet Explorer that might cause communication between web workers to fail in certain asynchronous scenarios that involve multiple visits to a web page.

  • Updates Internet Explorer and Microsoft Edge to respect the video preload flag in certain scenarios.

  • Addresses an issue with the Aptil 2018 Windows Servicing update that causes App-V Scripts (User Scripts) to stop working.

  • Addresses an issue that prevents customers from typing Hangul correctly with Microsoft's Korean IME in Microsoft Word Online.

  • Addresses an issue that prevents customers from selecting a Microsoft add-in on a second monitor.

  • Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.

  • Security updates to Microsoft Edge, Internet Explorer, Microsoft scripting engine, Windows app platform and frameworks, Device Guard, Windows kernel, Microsoft Graphics Component, Windows storage and filesystems, Windows Hyper-V, HTML help, and Windows Server.

There are no known issues in this update.

The Windows 10 Anniversary Update, or version 1607, gets KB4103723, and that brings the build number to 14393.2248. It can be manually downloaded here, and contains the following fixes:

  • Provides support to control usage of Indirect Branch Prediction Barrier (IBPB) within some AMD processors (CPUs) for mitigating CVE-2017-5715, Spectre Variant 2 when switching from user context to kernel context (See AMD Architecture Guidelines around Indirect Branch Control and AMD Security Updates for more details). Follow instructions outlined in KB4073119 for Windows Client (IT Pro) guidance and KB4072698 for Windows Server guidance to enable usage of IBPB within some AMD processors (CPUs) for mitigating Spectre Variant 2 when switching from user context to kernel context.

  • Addresses an issue in Internet Explorer that might cause communication between web workers to fail in certain asynchronous scenarios that involve multiple visits to a web page.

  • Updates Internet Explorer and Microsoft Edge to respect the video preload flag in certain scenarios.

  • Addresses an issue that occurs when multiple processes are limited by rate using job objects. This can cause various symptoms including, but not limited to, system process CPU spikes, interrupt time CPU spikes, high privileged time on some CPUs, and increased system or processor queue lengths.

  • Addresses an issue with the April 2018 Windows Servicing update that causes App-V Scripts (User Scripts) to stop working.

  • Addresses an issue that causes the Drain Manager Cluster service to sometimes be stuck in the draining state.

  • Addresses a transient error that may cause a disk to go to the NoRedundancy state in a Storage Spaces Direct configuration.

  • Improves resiliency in handling network issues that may cause highly available VMs to be turned off because of I/O timeouts or Cluster Shared Volumes dismounted messages.

  • Addresses an issue that prevents customers from typing Hangul correctly with Microsoft's Korean IME in Microsoft Word Online.

  • Addresses an issue that prevents customers from selecting a Microsoft add-in on a second monitor.

  • Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.

  • Security updates to Microsoft Edge, Internet Explorer, Microsoft scripting engine, Windows app platform and frameworks, Device Guard, Windows kernel, Microsoft Graphics Component, Windows Hyper-V, HTML help, and Windows Server.

It contains the following known issue:

Symptom Workaround
After installing the March 13, 2018, or later cumulative update for Windows 10, version 1607, only the most-recent Windows 10 feature update is returned as applicable. This prevents the deployment of previously released feature updates using ConfigMgr (current branch) and Windows 10 servicing plans.

Decline all feature updates on the WSUS server(s) except for the one that you want to deploy using ConfigMgr. Run another software-update scan cycle from the ConfigMgr control panel or wait until the client devices perform their next scan.

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


Interestingly, there's no update listed for Windows 10 version 1511, but there is one for the original version of the OS, which is now called 1507. That version gets KB4103716, bringing the build number to 10240.17861. It can be manually downloaded here, and contains the following fixes:

  • Updates Internet Explorer and Microsoft Edge to respect the video preload flag in certain scenarios.

  • Addresses additional issues with updated time zone information.

  • Addresses an issue where some sscanf functions fail to stop reading characters from the input buffer.

  • Addresses an issue that causes the system to stop working with an 0x139_e_INVALID_REFERENCE_COUNT error.

  • Addresses an issue that prevents customers from typing Hangul correctly with Microsoft's Korean IME in Microsoft Word Online.

  • Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.

  • Security updates to Microsoft Edge, Internet Explorer, Microsoft scripting engine, Windows app platform and frameworks, Device Guard, Windows storage and filesystems, Windows virtualization and kernel, HTML help, and Windows Server.

There are no known issues with this update.

Typically, we'd tell you that if you use Windows Update, the service will automatically download the patch that corresponds to your version of Windows, but that's not the case anymore. Anyone checking for updates will get 1803, so if you're not an early adopter, you'll want to install these updates manually or wait for them to roll out automatically.

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