A simplified and faster attack against WPA2 has been announced. It overcomes several of the delays and complications found in other exploits.
ZD-Net has described the attack without providing any real substance here:
The prior, and more detailed description, is here:
ITnews has this to say:
The WFA is aware of the problem, and is looking into it.
WPA3, which was announced by the WFA in late June, is not susceptible to this attack.
There are currently two 802.11ac devices, both certified in April, that have WPA3 certifications. A router reference design from Qualcomm, and an evaluation kit for WFA test bed evaluations.
Tom Carpenter presented an excellent video mentioning WPA3 here, on CWNPTV:
Tom just presented a very good YouTube presentation on this attack at:
In it. he dispels some of the hype associated with this hack.