Microsoft has now made Intel firmware update KB4100347 available for the Windows 10 version 1803 and This is a standalone update that can be downloaded form the Microsoft update catalogue.
Initially this update is available only for some Skylake devices now it is available for everyone.
Summary
Intel recently announced that they have completed their validations and started to release microcode for recent CPU platforms related to 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 | 0x2000043 |
| 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 | 0x2000043 |
| Skylake X (Basin Falls) | Intel® Core™ i9 79xxX, 78xxX | 00050654 | 0x2000043 |
| 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-1250, 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, i5-2505C, i5-2505R, 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 | 0xB00002A |
| 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 | 0xB00002A |
| 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 |
This update is a standalone update targeted for Windows 10 version 1803 (Windows 10 April 2018 Update) and Windows Server Version 1803 (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.
Download Link
If you are running an impacted device, this update can be applied by downloading it from the Microsoft Update Catalog website.
