An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0661, CVE-2019-0663.Referenceshttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0621http://www.securityfocus.com/bid/106873