NUC7ixBN BIOS has been released it can be downloaded from the link below. Thus the 'how-to' on disabling Hyper-Threading has been removed.
Intel is aware of the Hyper-Threading issue on the following NUCs: NUC7ixBN, NUC6i7KYK, and NUC6iXSY.
There is a micro code patch within the BIOS that fixes this issue.
Use the following links to update the BIOS:
NUC6i7KYK BIOS Version 0048 and above: Download BIOS Update [KYSKLi70.86A]
NUC6ixSY BIOS Version 0061 or above: Download BIOS Update [SYSKLi35.86A]
NUC7ixBN BIOS Version 0047 or above: Download BIOS Update [BNKBL357.86A]