An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0683
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0683