A remote code execution vulnerability exists when Microsoft Windows fails to properly handle cabinet files.To exploit the vulnerability, an attacker would have to convince a user to either open a specially crafted cabinet file or spoof a network printer and trick a user into installing a malicious cabinet file disguised as a printer driver.The update addresses the vulnerability by correcting how Windows handles cabinet files., aka 'Windows Remote Code Execution Vulnerability'.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1300