An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.
http://www.securityfocus.com/bid/104998
http://www.securitytracker.com/id/1041466
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8399
Source: MITRE
Published: 2018-08-15
Updated: 2019-10-03
Type: CWE-404
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1
Severity: HIGH