Microsoft pulled multiple Office 365 client updates released on December 10 from the Update Catalog after customers weren’t able to download them through the Microsoft System Center Configuration Manager or Microsoft Endpoint Configuration Manager. Office 365 is part of the Microsoft 365 software bundle that also comes with two additional offers, namely Windows 10 and EMS (short for Enterprise Mobility + Security) Microsoft says that the issue is now resolved and the affected updates are back in the Catalog again. Microsoft also released the December 2019 Patch Tuesday security updates with security updates for 36 vulnerabilities.
Source: https://www.bleepingcomputer.com/news/security/microsoft-pulls-december-10-office-365-client-updates-from-catalog/