Windows 10 Microcode Updates – Intel CPUs

Summary: 

Intel Processor(CPU) microcode updates for Windows 10 addressing Spectre security vulnerabilities

Comments:

• Windows 10 Intel microcode updates are stand-alone updates available in the Microsoft Catalog
• Windows 10 versions will also receive the microcode update via Windows Update
• Microcode updates include previous released microcode updates
• Applicable to Windows 10 versions listed below in the Knowledge Base(KB) article section
• Each KB article provides the Intel supported CPU and listed in table form by Code Name, Product Collection, Product Name, CPUID, and Intel microcode update revision

Microsoft KB article:

• Windows 10 1803 April Update KB4346084
  • https://support.microsoft.com/en-us/help/4346084/kb4346084-intel-microcode-updates
• Windows 10 1709 Fall Creators Update KB4346085
  • https://support.microsoft.com/en-us/help/4346085/kb4346085-intel-microcode-updates
• Windows 10 1703 Creators Update KB4346086
  • https://support.microsoft.com/en-us/help/4346086/kb4346086-intel-microcode-updates
• Windows 10 1607 Anniversary Update KB4346087
  • https://support.microsoft.com/en-us/help/4346087/kb4346087-intel-microcode-updates
• Windows 10 1507 RTM KB4346088
  • https://support.microsoft.com/en-us/help/4346088/kb4346088-intel-microcode-updates

Additional Information:

• Intel – Microcode Revision Guidance (PDF file)
  • https://www.intel.com/content/dam/www/public/us/en/documents/sa00115-microcode-update-guidance.pdf
• Summary of Intel Microcode Updates
  • https://support.microsoft.com/en-us/help/4093836/summary-of-intel-microcode-updates
    • Editor Note: Nov. 29, 2018 – The above summary article has updated revised information and latest KB article for applicable Windows 10 supported versions
• Spectre Security Vulnerability (Wiki)
  • https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)

 

 

Revisions:

Sept 1 2018:  Initial Draft Date

Sept 8 2018: Initial Publish Date

Nov 28 2018: Updated – added comment – Microcode deployment/availability via Windows Update

Nov 29, 2018: Updated – added  information – Summary of Intel Microcode Updates; Editor Note