A new hotfix is available that enables Windows Server Update Services (WSUS) on a Windows Server 2012 or Windows Server 2012 R2 to sync and distribute feature upgrades for Windows 10. Note that this hotfix is not required to enable WSUS to sync and distribute servicing updates for Windows 10. This hotfix also addresses an issue where Windows 10 computers are displayed as Windows Vista.
Source : Microsoft WSUS and Software Update Team Blog