A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests, aka 'Windows SMB Remote Code Execution Vulnerability'.
Published: 2020-06-10
Three months after an out-of-band patch was released for SMBGhost, aka EternalDarkness (CVE-2020-0796), researchers disclosed two new flaws affecting Microsoft’s Server Message Block (SMB) protocol, including working proof-of-concepts.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1301