Microsoft on Tuesday released fixes for 58 newly discovered security flaws as part of its final Patch Tuesday of 2020. The December security release addresses issues in Microsoft Windows, Edge browser, ChakraCore, Microsoft Office, Exchange Server, Excel, and Hyper-V virtualization software. None of these flaws this month have been reported as publicly known or being actively exploited in the wild. The fixes for December concern a number of remote code execution (RCE) flaws in Microsoft Exchange, SharePoint and SharePoint.
Source: https://thehackernews.com/2020/12/microsoft-releases-windows-update-dec.html