BlueKeep (CVE-2019-0708) is a critical remote code execution vulnerability that could allow an unauthenticated remote attacker to completely take over a vulnerable target running Remote Desktop Protocol (RDP).
Microsoft has patched this vulnerability in the May 2019 Security Updates. All Windows devices should be updated immediately.
Read the full details here:
Customer guidance for CVE-2019-0708 | Remote Desktop Services Remote Code Execution Vulnerability: May 14, 2019