KB4346086: Intel microcode updates

Applies to: Windows 10 version 1703

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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
Cherry View (Cherry Trail, Braswell)		Intel® Celeron® Processor Jxxxx, Intel® Celeron® Processor N3xxx,Intel® Pentium® Processor J3xxx,Intel® Pentium® Processor N3xxx,Intel® Atom® x5-E8000 Processor	406C4	00000410
Valleyview, Bay Trail M/D (C0 step)		Intel® Celeron® Processor Jxxxx & Nxxxx Intel® Pentium® Processor Jxxxx & Nxxxx	30678	00000836
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	0x2C
Haswell E	Intel® Core™ X-series Processors	Intel® Core™ Processor Extreme Edition i7-5960X Intel® Core™ Processor i7-5820K, i7-5930K	306F2	0x40
Haswell Server EP, EP4S	Intel® Xeon® Processor E5 v3 Family	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	0x40
Ivy Bridge E	Intel® Core™ X-series Processors	Intel® Core™ Processor Extreme Edition i7-4960X Intel® Core™ Processor i7-4820K, i7-4930K	306E4	0x42D
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	0x42D
Sandy Bridge Server EN/EP/EP4S	Intel® Xeon® Processor E5 Family	Intel® Xeon® Processor E5-2620, E5-2630, E5-2630L, E5-2640, E5-2650, E5-2650L, E5-2660, E5-2667, E5-2670, E5-2680, E5-2690	206D6	0x61D
WestmereEP, WS	Legacy Intel® Xeon® Processors	Intel® Xeon® Processor E5603, E5606, E5607, E5620, E5630, E5640, E5645, E5649Intel® Xeon® Processor L5609, L5618, L5630, L5638, L5640Intel® Xeon® Processor W3670, W3680Intel® Xeon® Processor X5647, X5650, X5660, X5667, X5670, X5672, X5675, X5677, X5680, X5687, X5690	206C2	0x1F
Avoton/Rangeley		Intel® Atom® Processor C2000 Product Family	406D8	0000012A
Cherry View (Cherry trail, Braswell)		Intel® Atom® x5-Zxxxx CPU	406C3	00000367
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	0x200004D
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	0x200004D
Coffee Lake U43e	8th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-8559U Intel® Core™ Processor i5-8259U, 8269U Intel® Core™ Processor i3-8109U	806EA	0x96
Kaby Lake G	8th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-8705G, i7-8706G, i7-8709G, i7-8809G Intel® Core™ Processor i5-8305G	906E9	0x8E
Kaby Lake H	7th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-7700HQ, i7-7820HK, i7-7820HQ, i7-7920HQ Intel® Core™ Processor i5-7300HQ, i5-7440HQ Intel® Core™ i3-7100H	906E9	0x8E
Kaby Lake Refresh U 4+2	8th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-8550U, i7-8650U Intel® Core™ Processor i5-8250U, i5-8350U Intel® Core™ Processor i3-7020U, i3-8130U	806EA	0x96
Kaby Lake S	7th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-7700, i7-7700K, i7-7700T Intel® Core™ Processor i5-7400, i5-7400T, i5-7500, i5-7500T, i5-7600, i5-7600K, i5-7600T Intel® Core™ Processor i3-7120, i3-7120T, i3-7320T, i3-7340 Intel® Celeron® Processor G3930E, G3930TE	906E9	0x8E
Kaby Lake X	Intel® Core™ X-series Processors	Intel® Core™ Processor i7-7740X Intel® Core™ Processor i5-7640X	906E9	0x8E
Kaby Lake Xeon E3	Intel® Xeon® Processor E3 v6 Family	Intel® Xeon® Processor v6 E3-1220, E3-1225, E3-1230, E3-1240, E3-1245, E3-1270, E3-1275, E3-1280, E3-1501L, E3-1501M, E3-1505L, E3-1505M, E3-1535M	906E9	0x8E
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	0x32
Apollo Lake	Intel® Atom® Processor E3900 Series	Intel® Atom® Processor x5-E3930, x5-E3940, x7-E3950	506CA	0x0C
Arrandale	Legacy Intel® Core™ Processors	Intel® Core™ Processor i7-620M, i7-620LM, i7-620UM, i7-640LM, i7-640UM Intel® Core™ Processor i5-430M, i5-520M, i5-520UM, i5-540M Intel® Core™ Processor i3-330M, i3-350M Intel® Celeron® Processor P4500, P4505	20652	0x11
Arrandale	Legacy Intel® Core™ Processors	Intel® Core™ Processor i7-610E, i7-620LE, i7-620LM, i7-620M, i7-620UE, i7-620UM, i7-640LM, i7-640M, i7-640UM, i7-660LM, i7-660UE, i7-660UM, i7-680UM Intel® Core™ Processor i5-430M, i5-430UM, i5-450M, i5-460M, i5-470UM, i5-480M, i5-520E, i5-520M, i5-520UM, i5-540M, i5-540UM, i5-560M, i5-560UM, i5-580M Intel® Core™ Processor i3-330E, i3-330M, i3-330UM, i3-350M, i3-370M, i3-380M, i3-380UM, i3-390M Intel® Pentium® Processor P6000, P6100, P6200, P6300, U5400, U5600 Intel® Celeron® Processor P4500, P4505, P4600, U3400, U3405, U3600	20655	0x7
Broadwell DE A1	Intel® Xeon® Processor D Family	Intel® Xeon® Processor D-1513N, D-1523N, D-1533N, D-1543N, D1553N	50665	0xE00000A
Broadwell DE V1	Intel® Xeon® Processor D Family	Intel® Xeon® Processor D-1520, D-1540	50662	0x17
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	0x7000013
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	0xF000012
Broadwell E	Intel® Core™ X - series Processors	Intel® Core™ Processor Extreme Edition i7-6950K Intel® Core™ Processor i7-6800K, i7-6850, i7-6900K	406F1	0xB00002C
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	0x1E
Broadwell Server E, EP, EP4S	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor v4 E5-2603, E5-2608L, E5-2609, E5-2618L, E5-2620, E5-2623, E5-2628L, E5-2630L, E5-2630, E5-2637, E5-2640, E5-2643, E5-2648L, E5-2650L, E5-2650, E5-2658, E5-2660, E5-2667, E5-2679, E5-2680, E5-2683, E5-2690, E5-2695, E5-2697A, E5-2697, E5-2698, E5-2699A, E5-2699, E5-2699R, E5-4628L	406F1	0xB00002C
Broadwell Server EX	Intel® Xeon® Processor E7 v4 Family	Intel® Xeon® Processor v4 E7-4809, E7-4820, E7-4830, E7-4850, E7-8855, E7-8860, E7-8867, E7-8870, E7-8880, E7-8890, E7-8891, E7-8893, E7-8894	406F1	0xB00002C
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	0x2B
Broadwell Xeon E3	Intel® Xeon® Processor E3 v4 Family	Intel® Xeon® Processor v4 E3-1258L, E3-1265L, E3-1278L, E3-1285, E3-1285	40671	0x1E
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	0x2B
Broxton	Intel® Atom® Processor T Series	Intel® Atom® Processor T5500, T5700	506C2	0x14
Clarkdale	Legacy Intel® Core™ Processors Legacy Intel® Pentium® Processor	Intel® Core™ Processor i5-650, 660, 661, 670 Intel® Core™ Processor i3-530, 540, 550, 560 Intel® Pentium® Processor G6950	20652	0x11
Clarkdale	Legacy Intel® Core™ Processors Legacy Intel® Pentium® Processor	Intel® Core™ Processor i5-650, 655K, 660, 661, 670, 680 Intel® Core™ Processor i3-530, 540 Intel® Pentium® Processor G6950, G6951, G6960	20655	0x7
Clarkdale Xeon	Legacy Intel® Xeon® Processors	Intel® Xeon® Processor L3406	20652	0x11
Denverton	Intel® Atom® Processor C Series	Intel® Atom® Processor C3308, C3338, C3508, C3538, C3558, C3708, C3750, C3758, C3808, C3830, C3850, C3858, C3950, C3955, C3958	506F1	0x24
Gladden	Legacy Intel® Core™ Processors Legacy Intel® Pentium® Processor Legacy Intel® Celeron® Processor Intel® Xeon® Processor E3 Family	Intel® Core™ Processor i3-2115C, i3-3115C Intel® Pentium® Processor B915C, B925C Intel® Celeron® Processor 725C Intel® Xeon® Processor E3-1105C, E3-1125C, E3-1105C v2, E3-1125C v2	306A9	0x20
Haswell Desktop	4th Generation Intel® Core™ Processor Family Intel® Pentium® Processor Family	Intel® Core™ Processor i7-4765T, i7-4770, i7-4770K, i7-4770S, i7-4770T, i7-4771 Intel® Core™ Processor i5-4430, i5-4430S, i5-4440, i5-4440S, i5-4570, i5-4570S, i5-4570T, i5-4670, i5-4670K, i5-4670S, i5-4670T Intel® Core™ Processor i3-4130, i3-4130T, i3-4330, i3-4330T, i3-4340 Intel® Pentium® Processor G3220, G3220T, G3420, G3430	306C3	0x25
Haswell H	4th Generation Intel® Core™ Processor Family	Intel® Core™ Processor i7-4700EC, i7-4700HQ, i7-4702EC, i7-4702HQ, i7-4710HQ, i7-4712HQ, i7-4720HQ, i7-4722HQ, i7-4750HQ, i7-4760HQ, i7-4770HQ, i7-4850HQ, i7-4870HQ, i7-4950HQ, i7-4960HQ, i7-4980HQ Intel® Core™ Processor i5-4210H, i5-4402EC	40661	0x1A
Haswell M	4th Generation Intel® Core™ Processor Family Intel® Pentium® Processor Family Intel® Celeron® Processor Family	Intel® Core™ Processor Extreme Edition i7-4930MX Intel® Core™ Processor i7-4700EQ, i7-4700MQ, i7-4702MQ, i7-4710MQ, i7-4712MQ, i7-4800MQ, i7-4900MQ Intel® Core™ Processor i5-4210M, i5-4400E, i5-4422E Intel® Core™ Processor i3-4100M, i3-4110M Intel® Pentium® 3560M Intel® Celeron® 2970	306C3	0x25
Haswell R	4th Generation Intel® Core™ Processor Family Intel® Pentium® Processor Family	Intel® Core™ Processor i7-4770R Intel® Core™ Processor i5-4570R, i5-4670R	40661	0x1A
Haswell Server EX	Intel® Xeon® Processor E7 v3 Family	Intel® Xeon® Processor v3 E7-4809, E7-4820, E7-4830, E7-4850, E7-8860, E7-8867, E7-8870, E7-8880L, E7-8880, E7-8890, E7-8891, E7-8893	306F4	0x12
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	0x24
Haswell Xeon E3	Intel® Xeon® Processor E3 v3 Family	Intel® Xeon® Processor v3 E3-1220, E3-1225, E3-1230L, E3-1230, E3-1240, E3-1245, E3-1270, E3-1275L, E3-1275, E3-1280, E3-1285L, E3-1285L, E3-1285	306C3	0x25
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	0x24
Ivy Bridge	3rd Generation Intel® Core™ Processor Family Intel® Pentium® Processor Family Intel® Celeron® 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	0x20
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	0x714
Ivy Bridge Xeon E3	Intel® Xeon® Processor E3 v2 Family	Intel® Xeon® Processor v2 E3-1220, E3-1220L, E3-1225, E3-1230, E3-1235, E3-1240, E3-1245, E3-1265L, E3-1270, E3-1275, E3-1280, E3-1290	306A9	0x20
Lynnfield	Legacy Intel® Core™ Processors	Intel® Core™ Processor i7-860, 860S, 870, 870S, 875K, 880 Intel® Core™ Processor i5-750, 750S, 760	106E5	0x0A
Lynnfield Xeon	Legacy Intel® Xeon® Processors	Intel® Xeon® Processor L3426 Intel® Xeon® Processor X3430, X3440, X3450, X3460, X3470, X3480	106E5	0x0A
Nehalem EP, Nehalem WS	Legacy Intel® Xeon® Processors	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	0x1D
Nehalem EX	Legacy Intel® Xeon® Processors	Intel® Xeon® Processor E6510, E6540, E7520, E7530, E7540, L7545, L7555, X6550, X7542, X7550, X7560	206E6	0x0D
Sandy Bridge	Legacy Intel® Core™ Processors	Intel® Core™ Processor Extreme Edition i7-2920XM, i7-2960XM Intel® Core™ Processor i7-2600, i7-2600K, i7-2600S, i7-2610UE, i7-2617M, i7-2620M, i7-2629M, i7-2630QM, i7-2635QM, i7-2637M, i7-2640M, i7-2649M, i7-2655LE, i7-2657M, i7-2670QM, i7-2675QM, i7-2677M, i7-2700K, i7-2710QE, i7-2715QE, i7-2720QM, i7-2760QM, i7-2820QM, i7-2860QM Intel® Core™ Processor i5-2300, i5-2310, i5-2320, i5-2380P, i5-2390T, i5-2400, i5-2400S, i5-2405S, i5-2410M, i5-2430M, i5-2435M, i5-2450M, i5-2450P, i5-2467M, i5-2500, i5-2500K, i5-2500S, i5-2500T, i5-2510E, i5-2515E, i5-2520M, i5-2537M, i5-2540M, i5-2550K, i5-2557M Intel® Core™ Processor i3-2100, i3-2100T, i3-2102, i3-2105, i3-2120, i3-2120T, i3-2125, i3-2130, i3-2310E, i3-2310M, i3-2312M, i3-2328M, i3-2330E, i3-2330M, i3-2332M, i3-2340UE, i3-2348M, i3-2350M, i3-2357M, i3-2365M, i3-2367M, i3-2370M, i3-2375M, i3-2377M Intel® Pentium® Processor 957, 967, 977, 987, 997, B940, B950, B960, B970, B980, G620, G620T, G622, G630, G630T, G632, G640, G640T, G645, G645T, G840, G850, G860, G860T, G870 Intel® Celeron® Processor 787, 797, 807, 807UE, 827E, 847, 847E, 857, 867, 877, 887, B710, B720, B800, B810, B810E, B815, B820, B830, B840, G440, G460, G465, G470, G530, G530T, G540, G540T, G550, G550T, G555	206A7	0x2E
Sandy Bridge E	Intel® Core™ X-series Processors	Intel® Core™ Processor Extreme Edition i7-3960X, i7-3970X Intel® Core™ Processor i7-3820, 3930K	206D7	0x714
Sandy Bridge Server EN/EP/EP4S	Intel® Xeon® Processor E5 Family	Intel® Xeon® Processor 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, E5-2620, E5-2630, E5-2630L, E5-2637, E5-2640, E5-2643, E5-2648L, E5-2650, E5-2650L, E5-2658, E5-2660, E5-2665, E5-2667, E5-2670, E5-2680, E5-2687W, E5-2690, E5-4603, E5-4607, E5-4610, E5-4617, E5-4620, E5-4640, E5-4650, E5-4650L Intel® Pentium® Processor 1405	206D7	0x714
Sandy Bridge Xeon E3	Intel® Xeon® Processor E3 Family	Intel® Xeon® Processor E3-1120, E3-1120L, E3-1225, E3-1230, E3-1235, E3-1240, E3-1245, E3-1260L, E3-1265L, E3-1270, E3-1275, E3-1280, E3-1285, E3-1290	206A7	0x2E
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	0x200004D
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	0x200004D
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	0xC6
Westmere EX (EGL, WSM)	Intel® Xeon® Processor E7 Family	Intel® Xeon® Processor E7-2803, 2820, 2830, 2850, 2860, 2870, 4807, 4820, 4830, 4850, 4860, 4870, 8830, 8837, 8850, 8860, 8867L, 8870	206F2	0x3B
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 1703 (Creators Update). 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 through the registry settings that are documented in the following article:

• Windows client guidance for IT Pros 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.

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

See also: KB4091663 Intel microcode updates for Windows 10 v1703 - January 8 - Windows 10 Forums

See also:

• Summary of Intel microcode updates

Microsoft is making available Intel-validated microcode updates that are 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").

• KB4465065 Intel Microcode Updates for Windows 10 v1809 - Sept. 26
• KB4346084 Intel Microcode Updates for Windows 10 v1803 - Sept. 27
• KB4346085 Intel Microcode Updates for Windows 10 v1709 - Aug. 13
• KB4346086 Intel Microcode Updates for Windows 10 v1703 - Aug. 13
• KB4346087 Intel Microcode Updates for Windows 10 v1607 - Aug. 13
• KB4346088 Intel Microcode Updates for Windows 10 v1507 - Aug. 13

Microsoft is making available Intel-validated microcode updates that are related to Microarchitectural Data Sampling (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130).

• KB4497165 Intel microcode updates for Windows 10 v1903 - October 17
• KB4494174 Intel Microcode Updates for Windows 10 v1809 - August 29
• KB4494451 Intel Microcode Updates for Windows 10 v1803 - August 29
• KB4494452 Intel microcode updates for Windows 10 v1709 - August 29
• KB4494453 Intel microcode updates for Windows 10 v1703 - August 29
• KB4494175 Intel Microcode Updates for Windows 10 v1607 - August 29
• KB4494454 Intel Microcode Updates for Windows 10 v1507 - August 29

Direct download links for KB4346086 MSU file from Microsoft Update Catalog:

New KB4346086 version released on August 13, 2019.

Download KB4346086 MSU for Windows 10 v1703 32-bit (x86) - 1.7 MB

Download KB4346086 MSU for Windows 10 v1703 64-bit (x64) - 1.7 MB

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

Posted By: Brink
28 Nov 2018