The Windows Hyper-V component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an information disclosure vulnerability when it fails to properly validate input from an authenticated user on a guest operating system, aka Hyper-V Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8706, CVE-2017-8711, CVE-2017-8712, and CVE-2017-8713.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8707