An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8442, CVE-2018-8443, CVE-2018-8445, CVE-2018-8446.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8419