On Tuesday, Microsoft released four security bulletins with patches for 22 vulnerabilities, including bugs in Microsoft Visio, Windows Client/Server, and the Windows kernel.

Only one of the 22 vulnerabilities, however, was rated as "critical." It involves a bug in the Bluetooth stack that an attacker could exploit by sending specially crafted packets to a PC within Bluetooth range--typically, about 30 feet--to take full control of the machine. The vulnerability is present only in Windows 7 and Vista.

Who's most at risk from the Bluetooth vulnerability?

Read the full article here.

Have a comment on this story? Please click "Discuss" below. If you'd like to contact Dark Reading's editors directly, send us a message.