Hackers claim to have unearthed a zero-day vulnerability giving attackers admin rights to any Windows machine from Windows 2000 to a fully patched version of Windows 10. The zero day is for sale on the black market for $90,000. Security experts say the exploit looks legitimate and in the wrong hands could be an effective tool for hackers who already have a foothold in an existing computer network. Microsoft has spoken out publicly acknowledging the zero day listing s existence, but has stressed it cannot verify the authenticity of the claim.
Source: https://threatpost.com/windows-zero-day-selling-for-90000/118380/