The Microsoft December 2024 security updates have been released and consist of 71 new patches to Microsoft products.
Of the Microsoft CVEs released, 16 are rated critical, 54 important, and 1 moderate in security. At the time of release, one is listed as being publicly known and as being exploited.
The security updates apply to the following products, features and roles: Windows and Windows Components, Office and Office Components, SharePoint Server, Hyper-V, Defender for Endpoint, and System Center Operations Manager.
See the list of KBs at the bottom of the page at December 2024 Security Updates - Release Notes - Security Update Guide - Microsoft (https://msrc.microsoft.com/update-guide/releaseNote/2024-Dec) for information regarding known issues with the security updates as well as the CVEs with FAQs, Mitigations and/or Workarounds.
Recommended Reading: See Dustin Childs review and analysis in Zero Day Initiative -- The December 2024 Security Update Review (https://www.zerodayinitiative.com/blog/2024/12/10/the-decer-2024-security-update-review).
Due to the holiday schedule, there will be no December 2024 non-security preview update.