Windows CSC Service Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-1652, CVE-2021-1654, CVE-2021-1655, CVE-2021-1659, CVE-2021-1688, CVE-2021-1693.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1653
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1653
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1653