Windows Print Spooler Elevation of Privilege Vulnerability
https://www.tenable.com/blog/microsofts-december-2021-patch-tuesday-addresses-67-cves-cve-2021-43890
https://www.zerodayinitiative.com/advisories/ZDI-21-1552/
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41333