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Windows 10 v1803 Update KB4343909 Download links and Changelog

Windows 10 update KB4343909 (Build 17134.228) is now available for download. Windows 10 April 2018 Update users will find a new update 2018-08 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4343909) in Windows Update. We’ve added the KB4343909 update download link for both 64Bit and 32Bit systems. The latest update has fixed an issue with registration in the “Push to Install” service. Check out more details below.

What’s New in update KB4343909

  • Provides protections against a new speculative execution side-channel vulnerability known as L1 Terminal Fault (L1TF) that affects Intel® Core® processors and Intel® Xeon® processors (CVE-2018-3620 and CVE-2018-3646). Make sure previous OS protections against Spectre Variant 2 and Meltdown vulnerabilities are enabled using the registry settings outlined in the Windows Client and Windows Server guidance KB articles. (These registry settings are enabled by default for Windows Client OS editions, but disabled by default for Windows Server OS editions.)
  • Addresses an issue that causes high CPU usage that results in performance degradation on some systems with Family 15h and 16h AMD processors. This issue occurs after installing the June 2018 or July 2018 Windows updates from Microsoft and the AMD microcode updates that address Spectre Variant 2 (CVE-2017-5715 – Branch Target Injection).
  • Addresses an issue that prevents apps from receiving mesh updates after resuming. This issue occurs for apps that use Spatial Mapping mesh data and participate in the Sleep or Resume cycle.
  • Ensures that Internet Explorer and Microsoft Edge support the preload=”none” tag.
  • Addresses an issue that prevents some applications running on HoloLens, such as Remote Assistance, from authenticating after upgrading from Windows 10, version 1607, to Windows 10, version 1803.
  • Addresses an issue that significantly reduced battery life after upgrading to Windows 10, version 1803.
  • Addresses an issue that causes Device Guard to block some ieframe.dll class IDs after installing the May 2018 Cumulative Update.
  • Addresses a vulnerability related to the Export-Modulemember() function when used with a wildcard (*) and a dot-sourcing script. After installing this update, existing modules on devices that have Device Guard enabled will intentionally fail. The exception error is “This module uses the dot-source operator while exporting functions using wildcard characters, and this is disallowed when the system is under application verification enforcement.”
  • Security updates to Windows Server.

Check Windows Update and download 2018-08 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4343909). You can also download the update from the link below.

Windows 10 update KB4343909 Download Links

Download Windows 10 update KB4343909 (32-Bit)

Download Windows 10 update KB4343909 (64-Bit)

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