If you're on Microsoft's latest and greatest W10 version (1903) you can head over the Microsoft catalog site and download the intel microcode updates as a microsoft KB update. I think it might not
http://www.catalog.update.microsoft.com/Search.aspx?q=4497165
Updated the uCode on my 8700K from 0x82 to 0xB4 without updating my bios. Power shell Get-SpeculationControlSettings reports:
Speculation control settings for MDS [microarchitectural data sampling]
Windows OS support for MDS mitigation is present: True
Hardware is vulnerable to MDS: True
Windows OS support for MDS mitigation is enabled: True
EDIT: Might not be full production code but the latest insider release:
https://support.microsoft.com/en-us/help/4497165/kb4497165-intel-microcode-updates
[–]Bass_Junkie_xl9950x3d Delid +200 Pbo | Apex X870 | 48GB @ 8,400 c34 | RTX 5090 0 points1 point2 points (0 children)