The Microsoft December 2021 security updates have been released and consist of 67 CVEs:
  7 are rated Critical
 60 are rated Important severity.
Currently, five are listed as publicly known and one is listed as under active exploit.

More information:
https://msrc.microsoft.com/update-guide/releaseNote/2021-Dec

Details on all the CVE’s as well as information on Adobe Updates and more can be found here:
https://www.zerodayinitiative.com/blog/2021/12/14/the-december-2021-security-update-review