Intel recently announced that it has completed its validations and has started to release microcode for newer CPU platforms around Spectre Variant 2 (CVE 2017-5715: “Branch Target Injection”). This update includes microcode updates from Intel for the following CPUs.

Microsoft is making available Intel-validated microcode updates that are related to Spectre Variant 2 (CVE-2017-5715 | Branch Target Injection). The following table lists specific Microsoft Knowledge Base articles by Windows version.

We will offer additional microcode updates from Intel through this article for these operating systems as they become available to Microsoft. This mitigation is on by default for Windows client systems so no action is required.

This update also includes Intel microcode updates that were already released for these operating systems at the time of release to manufacturing (RTM). We will offer additional microcode updates from Intel through this article for these operating systems as they become available to Microsoft.

Learn about the terminology that Microsoft uses to describe software updates. Describes the latest microcode updates from Intel for Windows 10, version 1903 and 1909, and Windows Server, version 1903 and 1909.

To get all available protections, firmware (microcode) and software updates are required. This includes microcode from device OEMs and, in some cases, updates to antivirus software.

To mitigate the vulnerability associated with CVE-2023-40982, install the Intel Platform Update (IPU) 23.3 microcode update. Typically, you need to obtain this update from your original equipment manufacturer (OEM).

Learn about the terminology that Microsoft uses to describe software updates. Describes the latest microcode updates from Intel for the initial release of Windows 10 (version 1507).

Describes the latest microcode updates from Intel for Windows 10, version 1803 and Windows Server 2016 version 1803.

This article describes a microcode update for Intel Central Processing Units (CPUs). The update is for Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1.