<p>A remote code execution vulnerability exists when Windows improperly handles objects in memory. To exploit the vulnerability an attacker would have to convince a user to run a specially crafted application.</p> <p>An attacker who successfully exploited this vulnerability could execute arbitrary code and take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The updates address the vulnerability by correcting how Windows handles objects in memory.</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-2020-1252