KB4457128 bumps the version number to build 17134.285, and according to the software giant, the update delivers more mitigations against the Spectre Variant 2 vulnerability (CVE-2017-5715) affecting ARM64 devices. It addresses an issue that causes the Program Compatibility Assistant (PCA) service to have excessive CPU usage. Additionally, update KB4457128 ships with security patches for Internet Explorer, Microsoft Edge, Microsoft scripting engine, Microsoft Graphics Component, Windows media, Windows Shell, Windows Hyper-V, Windows datacenter networking, Windows virtualization and kernel, Windows Linux, Windows kernel, Microsoft JET Database Engine, Windows MSXML, and Windows Server.

Windows 10 version 1709

The Fall Creators Update (version 1709) is getting update KB4457142, and the Windows support site referred it as “September 11, 2018—KB4457142 (OS Build 16299.665)”. If you’re already running version 1709 on your PC, this update will fix security vulnerabilities for Internet Explorer, Microsoft Edge, Microsoft scripting engine, Windows graphics, Windows media, Windows Shell, Windows cryptography, Windows virtualization and kernel, Windows datacenter networking, Windows hyper-V, Windows Linux, Windows kernel, Microsoft JET Database Engine, Windows MSXML, and Windows Server.

Windows 10 version 1703

The Creators Update (version 1703) is getting update KB4457138, and the Windows support site referred it as “September 11, 2018—KB4457138 (OS Build 15063.1324)”. If you’re already running version 1703 on your PC, this update ships with security patches for Internet Explorer, Microsoft Edge, Microsoft scripting engine, Microsoft Graphics Component, Windows media, Windows Shell, Device Guard, Windows datacenter networking, Windows kernel, Windows hyper-V, Windows virtualization and kernel, Microsoft JET Database Engine, Windows MSXM, and Windows Server. Phones running the Windows 10 Creators Update are getting update KB4459082, which bumps the version number to build 15254.530, and it includes the same changes noted above.

Older versions of Windows 10

Although the Anniversary Update (version 1609) is no longer supported, organizations with Windows 10 Enterprise or Education are getting update KB4457131, which bumps the version to build 14393.2485, and it patches some security problems.

Download September 11 update for Windows 10

These updates are available immediately, they’ll download and install automatically, but you can always force the update from Settings > Update & Security > Windows Update and clicking the Check for updates button. You can find more details about the most recent updates in the Windows 10 update history tracker guide.

KB4457128 64-bit | Download KB4457128 32-bit | Download

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