Status Intel Microcode Fixes Against Spectre

So as of the 24th February 2018 the situation is as follows:
In production / patched:
Anniedale > Moorefield
Apollo Lake D0, E3
Avoton/Rangeley
Broadwell DE A1, V1, V2, V3, Y0, H43e, Server E, EP, EP4S, U/Y, Xeon E3
Broxton
Cherry View (Cherry Trail,Braswell)
Cherry View (Cherry Trail, Braswell)
Coffee Lake H(6+2), S(6+2), -S(4+2), -S(4+2) Xeon E, S (6+2) x/KBP
Cougar Mountain (AMT)
Denverton(GLM)
Gemini Lake
Haswell (including H, S), Perf Halo, E, EP, EP4S, Ult, Xeon E3
KabyLake H/S/X/G, Refresh U 4+2, U/Y U23e, Xeon E3, Greenlow
Knights Landing
Knights Mill
Skylake D, Bakerville, H/S, Server, U/Y, U23e
Skylake X, Basin Falls
SoFIA 3G ES2.1 and Granite 4
SoFIA 3GR
Tangier (SLM)
Valleyview, Bay Trail I (B2,B3)
Valleyview, Bay Trail I (D0,D1)
Valleyview, Bay Trail M/D (D1)
Valleyview, Bay Trail M/D (B2,B3)
Valleyview, Bay Trail M/D (C0)
Valleyview, Bay Trail T (B2,B3)
Valleyview, Bay Trail T (C0)
XGold7272

In Beta / Testing:
Broadwell Server EX
Gladden
Haswell Server EX
Ivy Bridge
Ivy Bridge Server E, EN, EP, EP4S
Ivy Bridge Xeon E3
Sandy Bridge
Sandy Bridge Server EN/EP/EP4S
Sandy Bridge Xeon E3
Skylake Xeon E3

Pre beta, Planning etc:
Arrandale
Bloomfield Xeon
Clarkdale
Gulftown
Ivy Bridge Server EX
Jasper Forest
Nehalem EP, Nehalem WS
Nehalem EX
Westmere EP, WS

No Status on just yet:
Bloomfield
Clarkdale Xeon
Clarksfield
Harpertown Xeon C0, E0
Lynnfield, Xeon
Penryn/QC
Westmere EX (EGL, WSM)
Wolfdale C0, M0, R0
Wolfdale Xeon C0, E0
Yorkfield
Yorkfield Xeon

Source

Danishblunt Guest

Dr. AMK Living with Hope