Microsoft security advisory – December 2025 monthly rollup (AV25-822)

Serial number: AV25-822
Date: December 9, 2025

On December 9, 2025, Microsoft published security advisories to address vulnerabilities in multiple products. Included were critical updates for the following products:

  • Azure App Gateway
  • Azure Bastion Developer
  • Azure Monitor
  • Azure Monitor Control Service
  • Dynamics 365 Field Service (online)
  • Dynamics OmniChannel SDK Storage Containers
  • Microsoft 365 Apps for Enterprise
  • Microsoft 365 Defender Portal
  • Microsoft Configuration Manager 2403
  • Microsoft Configuration Manager 2409
  • Microsoft Configuration Manager 2503
  • Microsoft Dynamics 365
  • Microsoft Excel 2016
  • Microsoft Office 2016
  • Microsoft Office 2019
  • Microsoft Office LTSC 2021
  • Microsoft Office LTSC 2024
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office LTSC for Mac 2024
  • Microsoft Office for Android
  • Microsoft SQL Server 2016
  • Microsoft SQL Server 2017
  • Microsoft SQL Server 2019
  • Microsoft SQL Server 2022
  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Online
  • Microsoft SharePoint Server 2019
  • Microsoft SharePoint Server Subscription Edition
  • Microsoft Visual Studio 2022 version 17.14
  • Microsoft Visual Studio Code CoPilot Chat Extension
  • Nuance PowerScribe 360
  • Nuance PowerScribe One
  • Office Online Server
  • OneDrive for Android
  • PowerScribe One version 2023.1 SP2 Patch 7
  • Visual Studio Code
  • Windows 10
  • Windows 10 Version 1607
  • Windows 10 Version 1809
  • Windows 10 Version 21H2
  • Windows 10 Version 22H2
  • Windows 11 Version 22H2
  • Windows 11 Version 23H2
  • Windows 11 Version 24H2
  • Windows 11 Version 25H2
  • Windows Server 2008
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)
  • Windows Subsystem for Linux GUI

Microsoft has received reports that CVE-2025-62221 is being exploited.

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

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