<p>An elevation of privilege vulnerability exists when NTFS improperly checks access. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p> <p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p> <p>The security update addresses the vulnerability by correcting how NTFS checks access.</p>
https://www.tenable.com/blog/microsoft-s-september-2020-patch-tuesday-addresses-129-cves
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0838