Microsoft has released a security advisory on the 12th of May 2026 in line with their regular monthly patch schedule which includes a number of updates to address vulnerabilities in nine (9) medium risk products.
These updates address vulnerabilities which may impact services through Spoofing, Remote Code Execution, Elevation of Privilege, Security Restriction Bypass, Information Disclosure, Data Manipulation, and Denial of Service.
For more information please see: Microsoft Security Update
This release consists of security updates for the following products, features and roles:
- .NET
- ASP.NET Core
- Azure AI Foundry M365 published agents
- Azure Cloud Shell
- Azure Connected Machine Agent
- Azure DevOps
- Azure Entra ID
- Azure Logic Apps
- Azure Machine Learning
- Azure Managed Instance for Apache Cassandra
- Azure Monitor Agent
- Azure Notification Service
- Azure SDK
- Copilot Chat (Microsoft Edge)
- Data Deduplication
- Dynamics Business Central
- GitHub Copilot and Visual Studio
- M365 Copilot
- M365 Copilot for Desktop
- Microsoft Data Formulator
- Microsoft Dynamics 365 (on-premises)
- Microsoft Dynamics 365 Customer Insights
- Microsoft Edge (Chromium-based)
- Microsoft Edge for Android
- Microsoft Office
- Microsoft Office Click-To-Run
- Microsoft Office Excel
- Microsoft Office PowerPoint
- Microsoft Office SharePoint
- Microsoft Office Word
- Microsoft Partner Center
- Microsoft SSO Plugin for Jira & Confluence
- Microsoft Teams
- Microsoft Windows DNS
- Power Automate
- SQL Server
- Telnet Client
- Visual Studio Code
- Windows Admin Center
- Windows Ancillary Function Driver for WinSock
- Windows Application Identity (AppID) Subsystem
- Windows Cloud Files Mini Filter Driver
- Windows Common Log File System Driver
- Windows Cryptographic Services
- Windows DWM Core Library
- Windows Event Logging Service
- Windows Filtering Platform (WFP)
- Windows GDI
- Windows Hyper-V
- Windows Internet Key Exchange (IKE) Protocol
- Windows Kernel
- Windows Kernel-Mode Drivers
- Windows LDAP - Lightweight Directory Access Protocol
- Windows Link-Layer Discovery Protocol (LLDP)
- Windows Message Queuing
- Windows Native WiFi Miniport Driver
- Windows Netlogon
- Windows Print Spooler Components
- Windows Projected File System
- Windows Remote Desktop
- Windows Rich Text Edit
- Windows Rich Text Edit Control
- Windows Secure Boot
- Windows SMB Client
- Windows Storage Spaces Controller
- Windows Storport Miniport Driver
- Windows TCP/IP
- Windows Telephony Service
- Windows Volume Manager Extension Driver
- Windows Win32K - GRFX
- Windows Win32K - ICOMP
Please contact the Matsco Solutions team on the below if you would like any further information or would like to schedule a maintenance.
support@matscosolutions.com
Beijing +86 400 120 2782
Hong Kong +852 8101 8418
London +44 (0)20 7821 4950
New York +1 866 446 9226
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