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Microsoft Updates
Microsoft has released nineteen Critical and eighty-eight Important security updates for the month of April, 2021.
These updates will be installed over the next two weeks. Reboots will be required. Applicable updates will be made available for automatic installation via System Center Configuration Manager (SCCM).
Please refer to the OTS Security Updates webpage for details.

Affected Products
• Azure AD Web Sign-in
• Azure DevOps
• Azure Sphere
• Microsoft Edge (Chromium-based)
• Microsoft Exchange Server
• Microsoft Graphics Component
• Microsoft Internet Messaging API
• Microsoft NTFS
• Microsoft Office Excel
• Microsoft Office Outlook
• Microsoft Office SharePoint
• Microsoft Office Word
• Microsoft Windows Codecs Library
• Microsoft Windows Speech
• Open Source Software
• Role: DNS Server
• Role: Hyper-V
• Visual Studio
• Visual Studio Code
• Visual Studio Code – GitHub Pull Requests and Issues Extension
• Visual Studio Code – Kubernetes Tools
• Visual Studio Code – Maven for Java Extension
• Windows Application Compatibility Cache
• Windows AppX Deployment Extensions
• Windows Console Driver
• Windows Diagnostic Hub
• Windows Early Launch Antimalware Driver
• Windows ELAM
• Windows Event Tracing
• Windows Installer
• Windows Kernel
• Windows Media Player
• Windows Network File System
• Windows Overlay Filter
• Windows Portmapping
• Windows Registry
• Windows Remote Procedure Call Runtime
• Windows Resource Manager
• Windows Secure Kernel Mode
• Windows Services and Controller App
• Windows SMB Server
• Windows TCP/IP
• Windows Win32K
• Windows WLAN Auto Config Service

For additional information about the updates released this month, please see:

Release Notes – April 2021 Security Updates
Microsoft Security Update Guide