Summary
Note
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 |
| Kaby Lake U | 7th Generation Intel® Core™ Mobile Processors | 000806E9 | 0x84 |
| Kaby Lake U23e | 7th Generation Intel® Core™ Mobile Processors | 000806E9 | 0x84 |
| Kaby Lake Y | 7th Generation Intel® Core™ Mobile Processors | 000806E9 | 0x84 |
| KBL-R U | 8th Generation Intel® Core™ Mobile Processor Family | 000806EA | 0x84 |
| Kaby Lake G | 7th Generation Intel® Core™ Processor Family | 000906E9 | 0x84 |
| Kaby Lake H | 7th Generation Intel® Core™ Processor Family | 000906E9 | 0x84 |
| Kaby Lake S | 7th Generation Intel® Core™ Processor Family | 000906E9 | 0x84 |
| Kaby Lake X | 7th Generation Intel® Core™ Processor Family | 000906E9 | 0x84 |
| Kaby Lake Xeon E3 | 7th Generation Intel® Core™ Processor Family | 000906E9 | 0x84 |
| Coffee Lake H 6+2 | 8th Generation Intel® Core™ Processor Family | 000906EA | 0x84 |
| Coffee Lake S 6+2 | 8th Generation Intel® Core™ Processor Family | 000906EA | 0x84 |
| Coffee Lake S 6+2 Xeon E3 | 8th Generation Intel® Core™ Processor Family | 000906EA | 0x84 |
| Coffee Lake S 6+2 x/KBP | 8th Generation Intel® Core™ Processor Family | 000906EA | 0x84 |
| Coffee Lake S (4+2) | 8th Generation Intel® Core™ Desktop Processor Family | 000906EB | 0x84 |
| 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, 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 KB 4078407 or 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
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.