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Intel has released “Intel Processors MMIO Stale Data Advisory”. This security advisory states that potential security vulnerabilities exist in Memory Mapped I/O (MMIO) for some Intel processors which might allow information disclosure.


Intel Platform Update (IPU) 2022.1 that is dated June 2022 contains fixes for security vulnerabilities including Memory-Mapped I/O (MMIO) Side-Channel Attack.

To help protect your Intel-based processor device, do the following:

  • Intel recommends that users of the affected Intel processors update to Microcode Firmware Update IPU 2022.1 which addresses these issues. For more information, see INTEL-SA-00615.

How to get the update

Release Channel


Next Step

Windows Update and Microsoft Update


See the other options below.

Microsoft Update Catalog


To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager


You can manually import these updates into Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

File name

File version



File size







Intel Platform Update Process Overview

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