The Windows Hyper-V component on Microsoft Windows 10 1607, 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-2017-8707, CVE-2017-8711, CVE-2017-8706, and CVE-2017-8713.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8712