Intel graphics drivers v25.20.100.6471 for 8th, 7th and 6th generation (Whiskey Lake, Amber Lake, Coffee Lake, Kaby Lake, Skylake, Gemini Lake and Broxton (Apollo Lake)) from Intel's download center.
Credits to StefanG3D for spotting them.
Driver build date: 10th December 2018 (DriverVer=12/10/2018, 25.20.100.6471)
Download links:
Driver (64 Bit): https://downloadmirror.intel.com/28435/a08/dch_win64_25.20.100.6471.exe (327 MB)
Release notes: https://downloadmirror.intel.com/28435/eng/ReleaseNotes_DCH_25.20.100.6471.pdf
Readme: https://downloadmirror.in