<p>An elevation of privilege vulnerability exists when the Windows Event System improperly handles objects in memory.</p> <p>To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how the Windows Event System handles objects in memory.</p>
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16900