Introduction. This article describes a microcode update for Intel processors. This update improves the reliability of x64-based versions of Windows that uses certain Intel processors. This update fixes an issue in which the operating system might function incorrectly. These issues are not common.

This update is a standalone update that is targeted for Windows 10, version 1607 (Anniversary Update) and Windows Server 2016. This update also includes Intel microcode updates that were already released for these operating systems at the time of release to manufacturing (RTM).

More information. We will offer additional Intel-validated microcode updates for Windows as they become available to Microsoft, and update these articles accordingly. Customers should refer to information from Intel and their device manufacturer about the availability of applicable firmware security updates for the specific device, including ...

This new release includes a microcode update from Intel for the following CPUs. Important Install this update for the listed processors only. This update is a standalone update that is targeted for Windows 10, version 1803 (Windows 10 April 2018 Update) and Windows Server, version 1803 (Server Core).

The Surface team is aware of new speculative execution side-channel attack variants that also affect Surface products. Mitigation of those vulnerabilities requires an operating system update and a Surface UEFI update that includes new microcode. For more information about the vulnerabilities and mitigations, see the following security advisory:

For VMware hosts, contact your original equipment manufacturer to obtain the updated firmware that contains the fixed Intel microcode. VMware hosts must have this BIOS update installed to fix the issue. As per VMware, please open a support ticket with VMware referencing PR #1178834 to log the issue.

This new release includes a microcode update from Intel for the following CPUs. Install this update for the listed processors only. 2 As of February 25, 2020, the update for these select products (CPUs) are available through Windows Update. This update is a standalone update that is targeted at Windows 10, version 1709.

This update is a stand-alone update that's available through the Microsoft Update Catalog and targeted to Windows 10 Release To Market (RTM). This update also includes Intel microcode updates that were already released for this operating system at the time of Release To Manufacturing (RTM). We will offer additional microcode updates from Intel ...

The microcode update is also available directly from the Update Catalog if it was not installed on the device prior to upgrading the system. Intel microcode is available through Windows Update, WSUS, or the Microsoft Update Catalog. For more information and download instructions, see KB 4100347.

Important Install this update for the listed processors only. This update is a standalone update that is targeted for Windows 10, version 1703 (Creators Update). This update also includes Intel microcode updates that were already released for these operating systems at the time of release to manufacturing (RTM).