Intel microcode updates
For information about Intel microcode updates, see Microcode Update Guidance.
Vulnerabilities
Microsoft is making available Intel-validated microcode updates that are related to MMIO Stale Data Vulnerabilities (Security Advisory | ADV220002).
The following table lists specific Microsoft Knowledge Base articles by Windows version. These articles contain links to the available Intel microcode updates.
|
KB Number and Title |
Windows Version |
Source |
|
Windows Server 2016 |
Microsoft Update Catalog |
|
|
Windows Server 2019 |
Microsoft Update Catalog |
|
|
Windows Server 2022 |
Microsoft Update Catalog |
|
|
Windows 10 Home and Pro, version 20H2; Windows 10 Enterprise and Education, version 20H2; Windows 10 IoT Enterprise, version 20H2; Windows 10 Home and Pro, version 21H2; Windows 10 Enterprise and Education, version 21H2; Windows 10 IoT Enterprise, version 21H2; Windows 10 Home and Pro, version 22H2; Windows 10 Enterprise Multi-Session, version 22H2; Windows 10 Enterprise and Education, version 22H2; Windows 10 IoT Enterprise, version 22H2 |
Microsoft Update Catalog |
|
|
Windows 11 SE, version 21H2; Windows 11 Enterprise Multi-Session, version 21H2; Windows 11 Home and Pro, version 21H2; Windows 11 Enterprise and Education, version 21H2; Windows 11 IoT Enterprise, version 21H2 |
Microsoft Update Catalog |
|
|
Windows 11 SE, version 22H2; Windows 11 Home and Pro, version 22H2; Windows 11 Enterprise Multi-Session, version 22H2; Windows 11 Enterprise and Education, version 22H2; Windows 11 IoT Enterprise, version 22H2 |
Microsoft Update Catalog |
For more information, see Processor MMIO Stale Data Vulnerabilities.
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. These articles contain links to the available Intel microcode updates by CPU:
|
KB Number and Description |
Windows Version |
Source |
|
Windows 10, version 1803, and Windows Server, version 1803 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1709, and Windows Server 2016, version 1709 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1703 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1607, and Windows Server 2016 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10 (RTM) |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
Microsoft is making available Intel-validated microcode updates that are related to Spectre Variant 3a (CVE-2018-3640 | Rogue System Register Read (RSRE)), Spectre Variant 4 (CVE-2018-3639 | Speculative Store Bypass (SSB)), and L1TF (CVE-2018-3620 and CVE-2018-3646 | L1 Terminal Fault).
The following table lists specific Microsoft Knowledge Base articles by Windows version. The article contains links to the available Intel microcode updates by CPU.
|
KB number and description |
Windows version |
Source |
|
Windows 10, version 1809, Windows Server 2019 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1803, and Windows Server, version 1803 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1709, and Windows Server 2016, version 1709 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1703 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10, version 1607, and Windows Server 2016 |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
|
|
Windows 10 (RTM) |
Windows Update, Windows Server Update Service, and Microsoft Update Catalog |
Microsoft is making available Intel-validated microcode updates that are related to Microarchitectural Data Sampling (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130).
The following table lists specific Microsoft Knowledge Base articles by Windows version. The articles contain links to the available Intel microcode updates by CPU.
|
KB number and description |
Windows version |
Source |
|
Windows 10, version 1903 and 1909, Windows Server, version 1903 and 1909 |
Microsoft Update Catalog |
|
|
Windows 10, version 1809, Windows Server 2019 |
Microsoft Update Catalog |
|
|
Windows 10, version 1803, and Windows Server, version 1803 |
Microsoft Update Catalog |
|
|
Windows 10, version 1709, and Windows Server 2016, version 1709 |
Microsoft Update Catalog |
|
|
Windows 10, version 1703 |
Microsoft Update Catalog |
|
|
Windows 10, version 1607, and Windows Server 2016 |
Microsoft Update Catalog |
|
|
Windows 10 (RTM) |
Microsoft Update Catalog |
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 the following:
We provide third-party contact information to help you find technical support. This contact information may change without notice. We do not guarantee the accuracy of this third-party contact information.
