KB4346085: Intel microcode updates

Applies to: Windows 10, version 1709Windows Server 2016 Version 1709

Summary


Intel recently announced that they have completed their validations and started to release microcode for recent CPU platforms related to Spectre Variant 3a (CVE-2018-3640: "Rogue System Register Read (RSRE)"), Spectre Variant 4 (CVE-2018-3639: "Speculative Store Bypass (SSB)"), L1TF (CVE-2018-3615, CVE-2018-3620, CVE-2018-3646: "L1 Terminal Fault"). This includes microcode updates from Intel for the following CPUs.  Please install this update only on the following systems. 

Code Name

Product Collection

Product Names

CPUID

Intel microcode update revision

Skylake U23e

6th Generation Intel® Core™ Processor Family

Intel® Core™ Processor I7-6560U, I7-6567U, I7-6650U, I7-6660U

Intel® Core™ Processor I5-6260U, I5-6267U, I5-6287U, I5-6360U

Intel® Core™ Processor I3-6167U

406E3

0xC6

Skylake U

6th Generation Intel® Core™ Processors

Intel® Core™ Processor i7-6500U, i7-6510U, i7-6600U

Intel® Core™ Processor i5-6200U, i5-6210U, i5-6300U, i5-6310U

Intel® Core™ Processor i3-6100U, i3-6110U

Intel® Pentium® Processor 4405U, 4415U

Intel® Celeron® Processor 3855U, 3865U, 3955U, 3965U

406E3

0xC6

Skylake Y

6th Generation Intel® Core™ Processor Family

Intel® Core™ Processor m7-6Y75

Intel® Core™ Processor m5-6Y54, m5-6Y57

Intel® Core™ Processor m3-6Y30

Intel® Pentium® Processor 4405Y

406E3

0xC6

Skylake H

6th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-6700HQ, i7-6770HQ, i7-6820HK,

i7-6820HQ, i7-6870HQ, i7-6920HQ, i7-6970HQ

Intel® Core™ Processor i5-6300HQ, i5-6350HQ, i5-6440HQ

Intel® Core™ Processor i3-6100H

506E3

0xC6

Skylake S

6th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-6700, i7-6700K, i7-6700T

Intel® Core™ Processor i5-6400, i5-6400T, i5-6500, i5-6500T , i5-6600, i5-6600K, i5-6600T

Intel® Core™ Processor i3-6100, i3-6100T, i3-6120, i3-6120T, i3-6300, i3-6300T, i3-6320, i3-6320T

Intel® Pentium® Processor G4400, G4400T, G4420, G4420T, G4500, G4500T, G4520, G4520T, G4540

Intel® Celeron® Processor G3900, G3900T, G3920, G3920T, G3940

506E3

0xC6

Kaby Lake U

7th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-7500U, i7-7510U, i7-7600U

Intel® Core™ Processor i5-7200U, i5-7210U, i5-7300U, i5-7500U

Intel® Core™ Processor i3-7007U, i3-7100U, i3-7110U, i3-7130U,

Intel® Pentium® Processor 4415U

Intel® Celeron® Processor 3865U, 3965U

806E9

0x8E

Kaby Lake U23e

7th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-7560U, i7-7567U, i7-7660U,

Intel® Core™ Processor i5-7260U, i5-7267U, i5-7287U, i5-7360U

Intel® Core™ Processor i3-7167U

806E9

0x8E

Kaby Lake Y

7th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-7Y75

Intel® Core™ Processor i5-7Y54, i5-7Y57

Intel® Core™ Processor M3-7Y30, M3-7Y30

Intel® Pentium® Processor 4410Y, 4415Y

Intel® Celeron® Processor 3965Y

806E9

0x8E

Coffee Lake H (6+2)

8th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i9-8950HK

Intel® Core™ Processor i7-8700B, i7-8750H, i7-8850H

Intel® Core™ Processor i5-8300H, i5-8400B, i5-8400H, i5-8500B

906EA

0x96

Coffee Lake S (6+2)

8th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-8670, i7-8670T, i7-8700, i7-8700K, i7-8700T

Intel® Core™ Processor i5-8400, i5-8400T, i5-8420, i5-8420T, i5-8500 , i5-8500T, i5-8550, i5-8600, i5-8600K, i5-8600T, i5-8650, i5-8650K

906EA

0x96

Coffee Lake S (6+2) Xeon E

Intel® Xeon® Processor E Family

Intel® Xeon® Processor E-2176M, E-2186M

906EA

0x96

Coffee Lake S (4+2) Xeon E

Intel® Xeon® Processor E Family

TBD

906EA

0x96

Coffee Lake S (6+2) x/KBP

8th Generation Intel® Core™ Processor Family

TBD

906EA

0x96

Coffee Lake S (4+2)

8th Generation Intel® Core™ Processor Family

Intel® Pentium® Gold Processor Series

Intel® Celeron® Processor G Series

Intel® Core™ Processor i3-8000, i3-8000T, i3-8020, i3-8100, i3-8100, i3-8100T, i3-8120, i3-8300, i3-8300T, i3-8350K

Intel® Pentium® Gold G5400, G5400T, G5400T, G5420, G5420T, G5420T, G5500, G5500T, G5600

Intel® Celeron® Processor G4900, G4900T, G4920

906EB

0x8E

This update is a stand-alone update that's available through the Microsoft Update Catalog and targeted to Windows 10 Version 1709 (Fall Creators Update) and Windows Server 2016 Version 1709 (Server Core). 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.

Please make sure that mitigation against Spectre Variant 2 is enabled by applying the update through KB4078407 or through the registry settings that are documented in the following articles:

Known issues


Microsoft is not aware of any issues that affect this update currently.

How to obtain and install the update


Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

More Information