An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1393, CVE-2019-1394, CVE-2019-1395, CVE-2019-1396, CVE-2019-1408.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1434