With most client adapters, using the latest drivers often provide latest fixes, both public and internal.
I've seen a couple posts in Intel/Microsoft forums that also provide client side settings that greatly improved performance (ie from 54mb to 866mbps)
I don't have a PC/Apple/Chromebook with this Intel adapter, only that this info/advice can be found on the web:
Driver version 17.0.3.2+
https://downloadcenter.intel.com/search?keyword=Intel%c2%ae+Dual+Band+Wireless-AC+7260 802.11n Channel Width for 2.4 GHz : Auto
802.11n Channel Width for 5.2 GHz : Auto
Ad Hoc Channel 802.11b/g : 1
Ad Hoc QoS Mode : WMM Disabled
ARP offload for WoWLAN : Enabled
Bluetooth(R) AMP : Enabled
Fat Channel Intolerant : Disabled
GTK rekeying for WoWLAN : Enabled
HT Mo...