Microsoft Driver Tetherxp.inf Windows 10 May 2026

Microsoft maintains a principle of driver backward compatibility. Removing tetherxp.inf would break USB tethering for thousands of legacy devices and even some modern Android phones that still default to the RNDIS profile. Instead of rewriting a new driver from scratch, Microsoft retained the functional core while updating the security and stability patches for Windows 10.

Because tetherxp.inf is a legitimate Microsoft file, malware authors sometimes disguise their drivers with the same name. Be cautious of: microsoft driver tetherxp.inf windows 10