In brief: It seems that gaining administrator-level Windows privileges on a PC doesn't require much work; all you need is physical access and a Razer mouse or keyboard. It's the result of a zero-day vulnerability in the company's popular Synapse software that exploits the plug-and-play installation process. 
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Razer Synapse bug grants Windows admin privileges by plugging in a mouse or keyboard
Security researcher jonhat revealed the bug on Twitter (via BleepingComputer). He explains how anyone can get system privileges on Windows devices simply by plugging in a Razer...
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