I have found new release drivers for Intel 7260 - 17.0.5
I'm used for Windows 8.1 64 from last 24 h and works good for me.
Intel® PROSet/Wireless Software and Drivers for IT Administrators
https://downloadcenter.intel.com/Det...&DwnldId=23988
Intel® PROSet/Wireless Software for Windows 8.1*
https://downloadcenter.intel.com/Det...&DwnldId=23994
Intel® PROSet/Wireless Software and Drivers for Windows 8*
https://downloadcenter.intel.com/Det...&DwnldId=23993
Intel® PROSet/Wireless Software and Drivers for Windows 7*