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For Intel Microcode updates for other Windows 10 versions, see the following articles:

  • KB4589210: Intel microcode updates for Windows 10, version 1607 and Windows Server 2016

  • KB4589206: Intel microcode updates for Windows 10, version 1803

  • KB4589208: Intel microcode updates for Windows 10, version 1809 and Windows Server 2019

  • KB4589211: Intel microcode updates for Windows 10, version 1903 and 1909, and Windows Server, version 1903 and 1909

  • KB4589212: Intel microcode updates for Windows 10, version 2004 and 20H2, and Windows Server, version 2004 and 20H2

Summary

This article describes the latest microcode updates from Intel. We recommend that you reinstall this update to make sure you have the latest updates.

  • No new updates included.

  • Avoton

  • Sandy Bridge E, EN, EP, EP4S

  • Sandy Bridge E, EP

  • Valley View / Baytrail

  • Amber Lake Y

  • Amber Lake-Y/22

  • Avoton

  • Broadwell DE A1

  • Broadwell DE V1

  • Broadwell DE V2, V3

  • Broadwell DE Y0

  • Broadwell H 43e

  • Broadwell Server E, EP, EP4S

  • Broadwell Server EX

  • Broadwell U

  • Broadwell Y

  • Broadwell Xeon E

  • Cascade Lake

  • Cascade Lake Server

  • Cascade Lake-W

  • Coffee Lake H (6+2)

  • Coffee Lake S (6+2)

  • Coffee Lake U43e

  • Coffee Lake H (8+2)

  • Coffee Lake S (4+2)

  • Coffee Lake S (4+2) x/KBP

  • Coffee Lake S (4+2) Xeon E

  • Coffee Lake S (4+2) Xeon E (U0)

  • Coffee Lake S (6+2) x/KBP

  • Coffee Lake S (6+2) Xeon E

  • Coffee Lake S (6+2) Xeon E (U0)

  • Coffee Lake S (8+2)

  • Coffee Lake S (8+2) x/KBP

  • Coffee Lake S (8+2) Xeon E (R0)

  • Coffee Lake S/H (8+2) [R0]

  • Haswell Desktop

  • Haswell H / Haswell Perf Halo

  • Haswell Server EX

  • Haswell U

  • Haswell Xeon E3

  • Kaby Lake G

  • Kaby Lake H

  • Kaby Lake Refresh U 4+2

  • Kaby Lake S

  • Kaby Lake U

  • Kaby Lake U23e

  • Kaby Lake X

  • Kaby Lake Xeon E3

  • Kaby Lake Y

  • Skylake H

  • Skylake S

  • Skylake Server

  • Skylake U

  • Skylake U23e

  • Skylake Xeon E3

  • Skylake Y

  • Valley View / Baytail

  • Whiskey Lake-U42

  • Denverton

  • Sandy Bridge

  • Sandy Bridge E, EP

  • Valley View

  • Whiskey Lake U

  • Apollo Lake

  • Cherry View

  • Gemini Lake

  • Haswell Desktop

  • Haswell M

  • Haswell Xeon E3

  • Valley View

Intel recently completed software validations and has released new microcode for current CPU platforms in reaction to the following threats.

CVE number

CVE title

CVE-2018-12126

Microarchitectural Store Buffer Data Sampling (MSBDS)

CVE-2018-12127

Microarchitectural Load Port Data Sampling (MLPDS)

CVE-2018-12130

Microarchitectural Fill Buffer Data Sampling (MFBDS)

CVE-2019-11091

Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

CVE-2020-8695

Intel® Running Average Power Limit (RAPL) Interface

CVE-2020-8696

Vector Register Sampling active

CVE-2020-8698

Fast store forward predictor

More information

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

Install this update for the listed processors only.

Code name

Product collection

Product names

CPU ID

Platform ID

Microcode update revision

Apollo Lake

Intel® Pentium® Processor J Series

Intel® Pentium® Processor N Series

Intel® Celeron® Processor J Series

Intel® Celeron® Processor N Series

Intel® Atom® Processor A Series

Intel® Atom® Processor E3900 Series

Intel® Pentium® Processor J4205, N4200

Intel® Celeron® Processor J3355, J3455, N3350, N3450

Intel® Atom® Processor x5-A3930, x5-A3940, x7-A3950, x7-A3960

Intel® Atom® Processor x5-E3930, x5-E3940, x7-E3950

506C9

03

0x38

Avoton

Intel® Atom® Processor C Series

Server

406D8

1

0x12d

Broadwell DE A1

Intel® Xeon® Processor D Family

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

50665

10

0xE00000D

Broadwell DE A1

Intel® Xeon® Processor D Family

Server

50665

10

0x0F

Broadwell DE V1

Intel® Xeon® Processor D Family

Intel® Xeon® Processor D-1520, D-1540

50662

10

0x1A

Broadwell DE V1

Intel® Xeon® Processor D Family

Server

50662

10

0x1C

Broadwell DE V2, V3

Intel® Xeon® Processor D Family

Intel® Xeon® Processor D-1518, D-1519, D-1521, D-1527, D-1528, D-1529, D-1531, D-1533, D-1537, D-1541, D-1548

Intel® Pentium® Processor D1507, D1508, D1509, D1517, D1519

50663

10

0x7000017

Broadwell DE V2, V3

Intel® Xeon® Processor D Family

Server

50663

10

0x19

Broadwell DE Y0

Intel® Xeon® Processor D Family

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

50664

10

0xF000015

Broadwell DE Y0

Intel® Xeon® Processor D Family

Server

50664

10

0x17

Broadwell H 43e

5th Generation Intel® Core™ Processor Family

Intel® Core™ Processor i7-5700EQ, i7-5700HQ, i7-5750HQ, i7-5850EQ, i7-5850HQ, i7-5950HQ

Intel® Core™ Processor i5-5575R, i5-5675C, i5-5675R, i7-5775C, i7-5775R

40671

22

0x20

Broadwell H 43e

5th Generation Intel® Core™ Processor Family

Desktop
Mobile
Embedded

40671

22

0x22

Broadwell Server E, EP, EP4S

Intel® Xeon® Processor E5 v4 Family

Server

406F1

EF

0x38

Broadwell Server EX

Intel® Core™ X-series Processors

Intel® Xeon® Processor E7 v4 Family

Embedded
Desktop

406F1

EF

0x38

Broadwell U

5th Generation Intel® Core™ Processor Family

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

Intel® Pentium® Processor 3805U, 3825U, 3765U, 3755U, 3215U, 3205U

Intel® Celeron® 3765U

306D4

C0

0x2D

Broadwell U
Broadwell Y

5th Generation Intel® Core™ Processor Family

Mobile

306D4

C0

0x2f

Broadwell Xeon E

Intel® Xeon® Processor E3 v4 Family

Server

40671

22

0x22

Broadwell Xeon E3

Intel® Xeon® Processor E3 v4 Family

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

40671

22

0x20

Broadwell Y

5th Generation Intel® Core™ Processor Family

Intel® Core™ Processor M-5Y71, M-5Y70, M-5Y51, M-5Y3, M-5Y10c, M-5Y10a, M-5Y10

306D4

C0

0x2D

Comet Lake U6+2

10th Generation Intel® Core™ Processor Family

Mobile

A0661

80

0xE0

Comet Lake U62

10th Generation Intel® Core™ Processor Family

Mobile

A0660

80

0xE0

Denverton2

Intel® Atom® Processor C Series

Server

506F1

1

0x2e

Gemini Lake

Intel® Pentium® Processor Silver Series

Intel® Celeron® Processor J Series

Intel® Celeron® Processor N Series

Intel® Pentium® Silver Processor J5005, N5000

Intel® Celeron® Processor J4005, J4105

Intel® Celeron® Processor N4000, N4100

706A1

01

0x2E

Haswell Desktop

4th Generation Intel® Core™ Processor Family

Desktop

306C3

32

0x28

Haswell Desktop

4th Generation Intel® Core™ Processor Family

Desktop

306C3

32

0x28

Haswell E, EP

Intel® Core™ X-series Processors

Intel® Xeon® Processor E5 v3 Family

Intel® Core™ Processor Extreme Edition i7-5960X

Intel® Core™ Processor i7-5820K, i7-5930K

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

6F

0x43

Haswell H / Haswell Perf Halo

4th Generation Intel® Core™ Processor Family

Mobile

40661

32

0x1C

Haswell Server EX

Intel® Xeon® Processor E7 v3 Family

Server

306F4

80

0x16

Haswell U

4th Generation Intel® Core™ Processor Family

Intel® Pentium® Processor Family

Intel® Core™ Processor i7-4500U, i7-4510U, i7-4550U, i7-4558U, i7-4578U, i7-4600U, i7-4650U

Intel® Core™ Processor i5-4200U, i5-4210U, i5-4250U, i5-4258U, i5-4260U, i5-4278U, i5-4288U, i5-4300U, i5-4308U, i5-4350U

Intel® Core™ Processor i3-4005U, i3-4010U, i3-4025U, i3-4030U, i3-4100U, i3-4120U, i3-4158U

Intel® Pentium® Processor 3556U, 3558U, 3665U

Intel® Celeron® Processor 2955U, 2957U, 2980U, 2981U

40651

72

0x25

Haswell U

4th Generation Intel® Core™ Processor Family

Mobile

40651

72

0x26

Haswell Xeon E3

Intel® Xeon® Processor E3 v3 Family

AMT Server
Workstation

306C3

32

0x28

Haswell Y

4th Generation Intel® Core™ Processor Family

Intel® Pentium® Processor Family

Intel® Core™ Processor i7-4610Y

Intel® Core™ Processor i5-4200Y, i5-4202Y, i5-4210Y, i5-4220Y, i5-4300Y, i5-4302Y

Intel® Core™ Processor i3-4010Y, i3-4012Y, i3-4020Y, i3-4030Y

Intel® Pentium® Processor 3560Y, 3561Y

40651

72

0x25

Ice Lake Y42/U42 ES2 SUP

10th Generation Intel® Core™ Processor Family

Mobile

706E5

80

0xA0

Ivy Bridge

3rd Generation Intel® Core™

Processor Family

Intel® Celeron® Processor Family

Intel® Pentium® Processor Family

Intel® Core™ Processor Extreme Edition i7-3920XM, i7-3940XM

Intel® Celeron® Processor 1000M, 1005M, 1007U, 1017U, 1019Y, 1020E, 1020M, 1037U, 1047UE, 927UE, G1610, G1610T, G1620, G1620T, G1630

Intel® Core™ Processor i7-3517U, i7-3517UE, i7-3520M, i7-3537U, i7-3540M, i7-3555LE, i7-3610QE, i7-3610QM, i7-3612QE, i7-3612QM, i7-3612QM, i7-3615QE, i7-3615QM, i7-3630QM, i7-3632QM, i7-3632QM, i7-3635QM, i7-3667U, i7-3687U, i7-3689Y, i7-3720QM, i7-3740QM, i7-3770, i7-3770K, i7-3770S, i7-3770T, i7-3820QM, i7-3840QM

Intel® Core™ Processor i5-3210M, i5-3210M, i5-3230M, i5-3230M, i5-3317U, i5-3320M, i5-3330, i5-3330S, i5-3337U, i5-3339Y, i5-3340, i5-3340M, i5-3340S, i5-3350P, i5-3360M, i5-3380M, i5-3427U, i5-3437U, i5-3439Y, i5-3450, i5-3450S, i5-3470, i5-3470S, i5-3470T, i5-3475S, i5-3550, i5-3550S, i5-3570, i5-3570K, i5-3570S, i5-3570T, i5-3610ME

Intel® Core™ Processor i3-3110M, i3-3120M, i3-3120ME, i3-3130M, i3-3210, i3-3217U, i3-3217UE, i3-3220, i3-3220T, i3-3225, i3-3227U, i3-3229Y, i3-3240, i3-3240T, i3-3245, i3-3250, i3-3250T

Intel® Pentium® Processor 1405 v2, 2020M, 2030M, 2117U, 2127U, 2129Y, A1018, G2010, G2020, G2020T, G2030, G2030T, G2100T, G2120, G2120T, G2130, G2140

306A9

12

0x21

Ivy Bridge E

Intel® Core™ X-series Processors

Intel® Core™ Processor Extreme Edition i7-4960X

Intel® Core™ Processor i7-4820K, i7-4930K

306E4

ED

0x42E

Ivy Bridge Server EN, EP, EP4S

Intel® Xeon® Processor E5 v2 Family

Intel® Xeon® Processor v2 E5-1428L, E5-1620, E5-1650, E5-1660, E5-2403, E5-2407, E5-2418L, E5-2420, E5-2428L, E5-2430, E5-2430L, E5-2440, E5-2448L, E5-2450, E5-2450L, E5-2470, E5-2603, E5-2609, E5-2618L, E5-2620, 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, E5-2687W, E5-2690, E5-2695, E5-2697, E5-4603, E5-4607, E5-4610, E5-4620, E5-4624L, E5-4627, E5-4640, E5-4650, E5-4657L

306E4

ED

0x42E

Ivy Bridge Server EX

Intel® Xeon® Processor E7 v2 Family

Intel® Xeon® Processor v2 E7-2850, 2870, 2880, 2890, 4809, 4820, 4830, 4850, 4860, 4870, 4880, 4890, 8893, 8891, 8890, 8880L, 8880, 8870, 8857, 8850

306E7

ED

0x715

Sandy Bridge E, EN, EP, EP4S

Intel® Core™ X-series Processors

Intel® Xeon® Processor E3 Family

Intel® Xeon® Processor E5 Family

Intel® Pentium® Processor Family

Desktop
Server

206D7

6D

71A

Sandy Bridge E, EP

Intel® Xeon® Processor E5 Family

Server

206D6

6D

621

Sandy Bridge E, EP2

Intel® Xeon® Processor E5 Family

Server

206D6

6D

0x61F

Sandy Bridge2

Legacy Intel® Core™ Processors

Legacy Intel® Celeron® Processors

Legacy Intel® Pentium® Processors

Desktop
Embedded
Mobile

206A7

12

0x2f

Skylake D, Bakerville

Intel® Xeon® Processor D Family

Intel® Xeon® Processor D-2123IT, D-2141I, D-2142IT, D-2143IT, D-2145NT, D-2146NT, D-2161I, D-2163IT, D-2166NT, D-2173IT, D-2177NT, D-2183IT, D-2187NT

50654

B7

0x200005E

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

36

0xCC

Skylake H

6th Generation Intel® Core™ Processor Family

Mobile

506E3

36

0xD6 (19.2)

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

36

0xCC

Skylake S

Intel® Xeon® Processor E3 v5 Family

Desktop

506E3

36

0xD6 (19.2)

Skylake Server

Intel® Xeon® Scalable Processors

Intel® Xeon® Platinum Processor 8153, 8156, 8158, 8160, 8160F, 8160M, 8160T, 8164, 8168, 8170, 8170M, 8176, 8176F, 8176M, 8180, 8180M

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® Silver Processor 4108, 4109T, 4110, 4112, 4114, 4114T, 4116, 4116T

Intel® Xeon® Bronze Processor 3104, 3106

50654

B7

0x200005E

Skylake Server

Intel® Xeon® Scalable Processors

Server

50653

97

0x155

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

C0

0xCC

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

C0

0xCC

Skylake W

Intel® Xeon® Processor W Family

Intel® Xeon® Processor W-2123, W-2125, W-2133, W-2135, W-2145, W-2155, W-2195, W-2175

50654

B7

0x200005E

Skylake X

Intel® Core™ X-series Processors

Intel® Core™ Extreme Edition Processor i9-7980XE Intel® Core™ X-series Processor i9-7900X, i9-7920X, i9-7940X, i9-7960X

Intel® Core™ X-series Processor i7-7800X, i7-7820X

50654

B7

0x200005E

Skylake Xeon E3

Intel® Xeon® Processor E3 v5 Family

Intel® Xeon® Processor v5 E3-1220, E3-1225, E3-1230, E3-1235L, E3-1240, E3-1240L, E3-1245, E3-1260L, E3-1270, E3-1275, E3-1280, E3-1505M, E3-1515M, E3-1535M, E3-1545M, E3-1558L, E3-1565L, E3-1575M, E3-1578L, E3-1585, E3-1585L

506E3

36

0xCC

Skylake Xeon E3

Server

506E3

36

0xD6 (19.2)

Valley View / Baytail

Intel® Atom® Processor Z Series

Desktop
Embedded
Mobile

30673

1

0x329

Valley View / Baytail

Intel® Celeron® Processor J series

Intel® Celeron® Processor N series

Intel® Pentium® Processor J series

Intel® Pentium® Processor N series

Desktop
Embedded
Mobile

30673

0C

0x329

Valley View / Baytrail

Intel® Atom® Processor Z Series

Desktop
Embedded
Mobile

30673

2

0x329

Valley View2

Intel Atom® Processor E3800 Product Family

Desktop
Embedded
Mobile

30679

0F

0x90C

Whiskey Lake U2

8th Generation Intel® Core™ Processors

Mobile

806EC

94

0xB8

Notes

1 Rolled back to microcode updates 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, CVE-2018-3646: "L1 Terminal Fault")

As of February 25, 2020, the update for these select products (CPUs) are available through Windows Update.

Important

This update is a standalone update that is targeted at the release version of Windows 10. This update also includes Intel microcode updates that were already released for these operating systems at the time of release. We will offer additional microcode updates from Intel through this article for these operating systems as they become available to Microsoft. Use the registry settings as described in the Windows client article. (By default, these registry settings are enabled for Windows client OS editions.)

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.

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.

Windows Update

This update for some select products (CPUs) is available through Windows Update. It will be downloaded and installed automatically. For more information, see Note 2.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

For all supported x86-based versions

File name

File version

File size

Date

Time

Mcupdate_GenuineIntel.dll

10.0.10240.18842

1,833,752

1/20/2021

22:51

For all supported x64-based versions

File name

File version

File size

Date

Time

Mcupdate_GenuineIntel.dll

10.0.10240.18842

1,815,304

1/20/2021

23:32

Information about protection and security

References

Learn about the terminology that Microsoft uses to describe software updates. 

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