Summary

Recent Changes:

  • Intel Microcode updates around the following products (CPUs) have been revised. We recommend that you take this latest update to stay current:

    • Nehalem EP, Nehalem WS

    • Lynnfield

    • Lynnfield Xeon

    • Arrandale

    • Clarkdale

    • Clarkdale Xeon

    • WestmereEP, WS

Intel recently announced that it has completed its validations and has started to release microcode for newer CPU platforms around Spectre Variant 2 (CVE 2017-5715: “Branch Target Injection”). This update includes microcode updates from Intel for the following CPUs.

Product name (CPU)

Public name

CPUID

Intel microcode update revision

Skylake H/S

6th Generation Intel Core Processor Family

506E3

0xC2

Skylake U/Y & Skylake U23e

6th Generation Intel Core m Processors

406E3

0xC2

Skylake Server SP (H0, M0, U0)

Intel® Xeon® Bronze Processor 3104, 3106,
Intel® Xeon® Gold Processor 5115, 5118, 5119T, 5120, 5120T, 5122, 6126, 6126F,
6126T, 6128, 6130, 6130F, 6130T, 6132, 6134, 6134M, 6136, 6138, 6138F,
6138T, 6140, 6140M, 6142, 6142F, 6142M, 6144, 6146, 6148,
6148F, 6150, 6152, 6154,
Intel® Xeon® Platinum Processor 8153, 8156, 8158, 8160, 8160F,
8160M, 8160T, 8164, 8168, 8170, 8170M, 8176, 8176F, 8176M, 8180, 8180M,
Intel® Xeon® Silver Processor 4108, 4109T, 4110, 4112, 4114, 4114T, 4116, 4116T

00050654

0x2000049

Skylake D (Bakerville)

Intel® Xeon® Processor D-2123IT, D-2141I, D-2142IT, D2143IT, D-2145NT, D-2146NT, D-2161I,
D-2163IT, D2166NT, D-2173IT, D-2177NT, D-2183IT, D-2187NT

00050654

0x2000049

Skylake X (Basin Falls)

Intel® Core™ i9 79xxX, 78xxX

00050654

0x2000049

Broadwell DE A1

Intel® Xeon® Processor D-1513N, D-1523N, D-1533N, D-1543N, D1553N

50665

0xE000009

Broadwell DE V1

Intel® Xeon® Processor D-1520, D-1540

50662

0x15

Broadwell DE V2,V3

Intel® Xeon® Processor D-1518, D-1519, D-1521, D-1527, D-1528, D-1531, D-1533, D-1537, D-1541, D-1548,
Intel® Pentium® Processor D1507, D1508, D1509, D1517, D1519

50663

0x7000012

Broadwell DE Y0

Intel® Xeon® Processor D-1557, D-1559, D-1567, D-1571, D-1577, D-1581, D-1587

50664

0xF000011

Broadwell H 43e

Intel® Core™ Processor i7-5950HQ, i7-5850HQ, i7-5750HQ, i7-5700HQ,
Intel® Core™ Processor i5-5575R, i5-5675C, i5-5675R, i7-5775C, i7-5775R,
Intel® Core™ Processor i7-5700EQ, i7-5850EQ

40671

0x1D

Broadwell U/Y

Intel® Core™ Processor i7-5650U,i7-5600U, i7-5557U, i7-5550U, i7-5500U,
Intel® Core™ Processor i5-5350U, i5-5350,i5-5300U, i5-5287U,i5-5257U, i5-5250U, i5-5200U,
Intel® Core™ Processor i3-5157U, i3-5020U, i3-5015U, i3-5010U, i3-5006U, i3-5005U, i3-5010U, i5-5350U, i7-5650U,
Intel® Core™ Processor M-5Y71, M-5Y70, M-5Y51, M-5Y3, M-5Y10c, M -5Y10a, M-5Y10,
Intel® Pentium® Processor 3805U, 3825U, 3765U, 3755U, 3215U, 3205U,
Intel® Celeron® 3765U

306D4

0x2A

Broadwell Xeon E3

Intel® Xeon® Processor v4 E3-1258L, E3-1265L, E3-1278L, E3-1285, E3-1285

40671

0x1D

Broadwell Server E, EP, EP4S

Intel® Xeon® Processor E5-2603V4, E5-2609V4, E5-

2620V4, E5-2623V4, E5-2630LV4, E5-2630V4, E5-

2637V4, E5-2640V4, E5-2643V4, E5-2650LV4, E5-

2650V4, E5-2660V4, E5-2667V4, E5-2679V4, E5-2680V4, E5-2683V4, E5-2690V4, E5-2695V4, E5-2697AV4, E5-2697V4, E5-2698V4, E5-2699AV4, E5-2699V4

Intel® Xeon® Processor E5-2608LV4, E5-2618LV4, E5-

2628LV4, E5-2648LV4, E5-2658V4, E5-2699RV4, E5-

4628LV4

406F1

0xB00002C

Broadwell Server EX

Intel® Xeon® Processor E7-4809V4, E7-4820V4, E7-

4830V4, E7-4850V4, E7-8855V4, E7-8860V4, E7-8867V4, E7-8870V4, E7-8880V4, E7-8890V4, E7-8891V4, E7-8893V4, E7-8894V4

406F1

0xB00002C

Haswell (including H, S), Xeon E3

4th Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family,
Intel® Celeron® Mobile Processor Family

306C3

0x24

Haswell Perf Halo

Intel® Core™ Extreme Processor (5960x, 5930x, 5820x)

40661

0x19

Haswell Server E, EP, EP4S

Intel® Xeon® Processor v3 E5-1428L, E5-1603, E5-1607, E5-1620, E5-1630,
E5-1650, E5-1660, E5-1680, E5-2408L, E5-2418L, E5-2428L, E5-2438L, E5-2603, E5-2608L, E5-2608L,
E5-2609, E5-2618L, E5-2620, E5-2623, E5-2628L, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643,
E5-2648L, E5-2650, E5-2650L, E5-2658, E5-2660, E5-2667, E5-2670, E5-2680, E5-2683, E5-2685,
E5-2687W,E5-2690, E5-2695, E5-2697, E5-2698, E5-2699, E5-4610, E5-4620,
E5-4627, E5-4640, E5-4648, E5-4650, E5-4655, E5-4660, E5-4667, E5-4669

306F2

0x3C

Haswell ULT

4th Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family,
Intel® Celeron® Mobile Processor Family

40651

0x23

Ivy Bridge

3rd Generation Intel® Core™ Mobile Processor Family,
Intel® Pentium® Mobile Processor Family, and Intel® Celeron® Mobile Processor Family

306A9

0x1F

Ivy Bridge Xeon E3

Intel® Core™ Processor Extreme Edition i7-4960X Intel® Core™ Processor i7-4820K, i7-4930K

306A9

0x1F

Ivy Bridge E, Ivy Bridge Server E, EN, EP, EP4S

Intel® Xeon® Processor v2 E5-1428L, E5-1620, E5-1650, E5-1660, E5-2403, E5-2407, E5-2418L,
E5-2420, E52428L, E5-2430, E5-2430L, E5-2440, E5-2448L, E5-2450, E5-2450L, E5-2470, E5-2603, E5-2609, E5-2618L, E52620, E5-2628L, E5-2630,
E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L, E5-2650, E5-2650L, E5-2658, E52660, E5-2667, E5-2670, E5-2680, E5-2687W, E5-2690, E5-2695, E5-2697, E5-4603, E5-4607, E5-4610, E5-4620,
E5-4624L, E5-4627, E5-4640, E5-4650, E5-4657L

000306E4

0x42C

Ivy Bridge Server EX

E5-4610, E5-4620, E5-4624L, E5-4627, E5-4640, E54650, E5-4657L

000306E7

0x713

Sandy Bridge

Intel® Core™ i3-21xx/23xx-T/M/E/UE Processor,
Intel® Core™ i5-23xx/24xx/25xx-T/S/M/K Processor,
Intel® Core™ i7-2xxx-S/K/M/QM/LE/UE/QE Processor,
Intel® Core™ i7-29xxXM Extreme Processor,
Intel® Celeron® Desktop G4xx, G5xx Processor,
Intel® Celeron® Mobile 8xx, B8xx Processor,
Intel® Pentium® Desktop 350, G6xx, G6xxT, G8xx Processor,
Intel® Pentium® Mobile 9xx, B9xx Processor

206A7

0x2D

Sandy Bridge Xeon E3

Intel® Xeon® Processor E3-1200 Product Family

206A7

0x2D

Sandy Bridge Server EN/EP/EP4S

Intel® Xeon® Processor E5-2620, E5-2630, E5-2630L, E52640,
E5-2650, E5-2650L, E5-2660, E5-2667, E5-2670, E5-2680, E5-2690

206D6

0x61C

Sandy Bridge Server EN/EP/EP4S

Intel® Xeon® Processor E5-1428L, E5-1620, E5-1650, E51660, E5-2403, E5-2407,
E5-2418L, E5-2420, E5-2428L, E5-2430, E5-2430L, E5-2440, E5-2448L, E5-2450, E52450L,
E5-2470, E5-2603, E5-2609, E5-2620, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L,
E52650, E5-2650L, E5-2658, E5-2660, E5-2665, E5-2667, E5-2670, E5-2680, E5-2687W,
E5-2690, E5-4603, E54607, E5-4610, E5-4617, E5-4620, E5-4640, E5-4650,
E5-4650L Intel® Pentium® Processor 1405

206D7

0x713

Knights Landing

Intel® Xeon® Phi™ Processor 72xx

50671

0x1B6

Knights Mill

Intel® Xeon® Phi™ Processor Family

80650

0x18

Nehalem EP, Nehalem WS

Intel® Xeon® Processor E5502, E5503, E5504, E5506, E5507, E5520, E5530, E5540

Intel® Xeon® Processor L5506, L5508, L5518, L5520, L5530

Intel® Xeon® Processor W5580, W5590

Intel® Xeon® Processor X5550, X5560, X5570

106A5

0x1C

Lynnfield

Intel® Core™ Processor i7-860, 860S, 870, 870S, 875K, 880

Intel® Core™ Processor i5-750, 750S, 760

106E5

0x09

Lynnfield Xeon

Intel® Xeon® Processor L3426

Intel® Xeon® Processor X3430, X3440, X3450, X3460, X3470, X3480

106E5

0x09

Arrandale

Intel® Core™ Processor i7-i7-620M/LM/UM, i7-640LM/UM

Intel® Core™ Processor i5-430M, i5-520M/UM, i5-540M

Intel® Core™ Processor 330M, 350M

Intel® Celeron® Processor P4500, P4505

20652

0x10

Clarkdale

Intel® Core™ Processor i5-650, 660, 661, 670

Intel® Core™ Processor i3-530, 540, 550, 560

Intel® Pentium® Processor G6950

20652

0x10

Clarkdale Xeon

Intel® Xeon® Processor L3406

20652

0x10

Arrandale

Intel® Core™ Processor i7-610E, 620LE/LM/M/UE/UM, 640LM/M/UM, 660LM/UE/UM, 680UM

Intel® Core™ Processor i5-430M/UM, 450M, 460M, 470UM, 480M, 520E/M/UM, 540M/UM, 560M/UM, 580M

Intel® Core™ Processor i3-330E/M/UM, 350M, 370M, 380M/UM, 390M

Intel® Pentium® Processor P6000, P6100, P6200, P6300

Intel® Pentium® Processor U5400, U5600

Intel® Celeron® Processor P4500, P4505, P4600

Intel® Celeron® Processor U3400, U3405, U3600

20655

0x6

Clarkdale

Intel® Core™ Processor i5-650, 655K, 660, 661, 670, 680

Intel® Core™ Processor i3-530, 540

Intel® Pentium® Processor G6950, G6951, G6960

20655

0x6

WestmereEP, WS

Intel® Xeon® Processor E5603, E5606, E5607, E5620, E5630, E5640, E5645, E5649

Intel® Xeon® Processor L5609, L5618, L5630, L5638, L5640

Intel® Xeon® Processor W3670, W3680

Intel® Xeon® Processor X5647, X5650, X5660, X5667, X5670, X5672, X5675, X5677, X5680, X5687, X5690, X5698

206C2

0x1E


This update is a stand-alone update that's available through the Microsoft Update Catalog and targeted to Windows 10 Release To Market (RTM). This update also includes Intel microcode updates that were already released for this operating system at the time of Release To Manufacturing (RTM).

We will offer additional microcode updates from Intel through this article for this operating system as they become available to Microsoft.

Please make sure that mitigation against Spectre Variant 2 is enabled by applying the update through KB 4078407 or through the registry settings that are documented in the following article:

Important: Consult with your device manufacturer and Intel via their websites regarding their microcode recommendation for your device before applying 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

Method 1: Windows Update

To download and install this update, go to Settings > Update & Security > Windows Update and then select Check for updates. If Windows Update says your device is up to date, you have all the updates that are currently available.

Method 2: Windows Server Update Service

This update is now available for installation through WSUS.

Method 3: Microsoft Update Catalog

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

References

Learn about theterminology that Microsoft uses to describe software updates.

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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