A new Spectre known as NetSpectre was recently exploited that has remote capabilities. It is believed that Intel, AMD and ARM processor chips are all vulnerable. NetSpectre has the ability to leak sensitive data off the chips and also has the ability to work on local area networks and virtual machines on Google Cloud. Intel has been notified by experts asserting that the issue has been alleviated in the chip refreshes that the creator has made available.
Relevant URL(s): https://gbhackers.com/netspectre/