WHAT HAPPENED?

Microsoft released their May 2021 update to address vulnerabilities in various Microsoft products.

Advanced Users: For a complete description of the security enhancements and affected software refer to:

• Microsoft May 2021 Security Updates 

AFFECTED SYSTEMS:

• .NET Core & Visual Studio
• HTTP.sys
• Internet Explorer
• Microsoft Accessibility Insights for Web
• Microsoft Bluetooth Driver
• Microsoft Dynamics Finance & Operations
• Microsoft Exchange Server
• Microsoft Graphics Component
• Microsoft Office
• Microsoft Office Access
• Microsoft Office Excel
• Microsoft Office SharePoint
• Microsoft Office Word
• Microsoft Windows Codecs Library
• Microsoft Windows IrDA
• Open Source Software
• Role: Hyper-V
• Skype for Business and Microsoft Lync
• Visual Studio
• Visual Studio Code
• Windows Container Isolation FS Filter Driver
• Windows Container Manager Service
• Windows Cryptographic Services
• Windows CSC Service
• Windows Desktop Bridge
• Windows OLE
• Windows Projected File System FS Filter
• Windows RDP Client
• Windows SMB
• Windows SSDP Service
• Windows WalletService
• Windows Wireless Networking

WHAT'S THE PROBLEM?

Some of these vulnerabilities, if exploited, could allow an attacker to take control of the affected software.

RELATED LINKS

• IT Security