Windows 10: KB4346085 Intel Microcode Updates for Windows 10 v1709 - November 27

Brink · Nov 28, 2018

KB4346085: Intel microcode updates

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

Summary

Intel recently announced that they have completed software validations and have started to release new microcode for current CPU platforms in reaction to the following threats:

Spectre Variant 3a (CVE-2018-3640: "Rogue System Register Read (RSRE)")

Spectre Variant 4 (CVE-2018-3639: "Speculative Store Bypass (SSB)")

L1TF (CVE-2018-3620, CVE-2018-3646: "L1 Terminal Fault")

This new release includes a microcode update from Intel for the following CPUs.

Important Install this update for the listed processors only.

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
Important
This update is a standalone update that is targeted for Windows 10, version 1709 (Fall Creators Update) and Windows Server, 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. By default, this mitigation is turned off for Spectre Variant 4 (CVE-2018-3639: "Speculative Store Bypass (SSB)"). Please make sure that mitigation against Spectre Variant 4 (CVE-2018-3639: "Speculative Store Bypass (SSB)") is enabled for Windows client and Windows Server through the registry settings that are documented in the following articles:

Windows client guidance for IT Pros to protect against speculative execution side-channel vulnerabilities

Windows Server guidance to protect against speculative execution side-channel vulnerabilities

Consult with your device manufacturer and Intel through their websites regarding their microcode recommendation for your device before you apply this update to your device.

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 standalone package for this update, go to the Microsoft Update Catalog website.
Click to expand...

Source: https://support.microsoft.com/en-us/...rocode-updates

See also:

Summary of Intel microcode updates

KB4465065 Intel Microcode Updates for Windows 10 v1809 - November 27 - Windows 10 Forums

KB4346084 Intel Microcode Updates for Windows 10 v1803 - November 27 - Windows 10 Forums

KB4346086 Intel Microcode Updates for Windows 10 v1703 - November 27 - Windows 10 Forums

Direct download links for KB4346085 MSU file from Microsoft Update Catalog:

*Arrow Download KB4346085 MSU for Windows 10 v1709 32-bit (x86) - 1.3 MB

*Arrow Download KB4346085 MSU for Windows 10 v1709 64-bit (x64) - 1.3 MB

Tip Find Windows 10 Version Number

PowerShell script for CPU information, incl. CPUID Solved - Windows 10 Forums

Speculation Control Validation PowerShell Script
Understanding Get-SpeculationControlSettings PowerShell script output

:)

EdTittel · Nov 28, 2018

KB4346085 Intel microcode updates for Windows 10 v1709 - August 21

Ditto for me as well.

--Ed--

Brink · Nov 28, 2018

KB4090007 Intel Microcode Updates for Windows 10 v1709 - September 13

New KB4090007 released August 21, 2018. See first post for more details. *Smile

See also: KB4346085 Intel microcode updates for Windows 10 v1709 - August 21 - Windows 10 Forums

Vijay_Verma · Nov 28, 2018

KB4346085

KB4090007 -
https://support.microsoft.com/en-in/help/409000...

KB4346085 -
https://support.microsoft.com/en-in/help/434608...

You need to match your processor given in the table to see if KB4346085 is applicable to you.

Windows 10: KB4346085 Intel Microcode Updates for Windows 10 v1709 - November 27

KB4346085 Intel Microcode Updates for Windows 10 v1709 - November 27

KB4346085 Intel Microcode Updates for Windows 10 v1709 - November 27

KB4346085 Intel Microcode Updates for Windows 10 v1709 - November 27

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