Technical Information

Brief overview of the risk:
An elevation of privilege vulnerability exists in the way that the Windows Kernel API enforces permissions. An attacker who successfully exploited the vulnerability could impersonate processes interject cross-process communication or interrupt system functionality.
Detailed Information on the risk:
To exploit the vulnerability a locally authenticated attacker could run a specially crafted application.
The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly enforces permissions

Further information on this exploit is available at : CVE-2018-0982