Forwarded from the National Cybersecurity Information Sharing and Analysis Center: Cybersecurity Alert NISAC-200-202606-00000005

[Content Description]
Microsoft has released its June 2026 security update, patching 204 vulnerabilities, including 18 high-risk vulnerabilities. Please confirm and patch them as soon as possible.

[Products with high-risk vulnerabilities]
Active Directory Domain Services
Azure HorizonDB
Azure Stack Edge
Microsoft Azure Kubernetes Service
Microsoft Dynamics 365 (on-premises)
Microsoft Exchange Online
Microsoft Exchange Server
Microsoft Office SharePoint
Nuance PowerScribe
Remote Desktop Client
Visual Studio Code
Windows DHCP Client
Windows DHCP Server
Windows HTTP.sys
Windows Kernel
Windows TCP/IP

[Other affected products]
.NET
ASP.NET Core
Copilot Chat (Microsoft Edge)
Function Discovery Service (fdwsd.dll)
GitHub Copilot and Visual Studio Code
HTTP/2
Linux MANA Driver
M365 Copilot
Microsoft Azure Attestation service and Device Health Attestation Service
Microsoft Bing
Microsoft Copilot
Microsoft Defender for Endpoint
Microsoft Graph
Microsoft Graphics Component
Microsoft Kinect
Microsoft Live Share Canvas SDK
Microsoft Office
Microsoft Office Click-To-Run
Microsoft Office Excel
Microsoft Office Project
Microsoft Office Word
Microsoft PC Manager
Microsoft PowerToys
Microsoft Teams for Android
Microsoft UxTheme Library (uxtheme.dll)
Microsoft Windows DNS
Office for Android
Role: Windows Hyper-V
UI Automation Manager (uiamanager.dll)
Universal Plug and Play (upnp.dll)
Windows Administrator Protection
Windows Ancillary Function Driver for WinSock
Windows Application Identity (AppID) Subsystem
Windows BitLocker
Windows Bluetooth Port Driver
Windows Bluetooth Service
Windows Boot Manager
Windows Collaborative Translation Framework
Windows Common Log File System Driver
Windows Cryptographic Services
Windows Deployment Services
Windows DWM Core Library
Windows Hotpatch Monitoring Service
Windows Hyper-V
Windows Internet (wininet.dll)
Windows Kerberos
Windows Kernel-Mode Drivers
Windows Mark of the Web (MOTW)
Windows Media
Windows Narrator Braille
Windows Network Controller (NC) Host Agent
Windows NT OS Kernel
Windows NTFS
Windows NTLM
Windows Performance Monitor
Windows Program Compatibility Assistant Service
Windows Projected File System Filter Driver
Windows Push Notifications
Windows RDP
Windows SDK
Windows Secure Boot
Windows Shell
Windows Storage
Windows Telephony Service
Windows UEFI
Windows Universal Disk Format File System Driver (UDFS)
Windows Win32K - GRFX
Winlogon

[Influence Platform]
Active Directory Domain Services
Azure HorizonDB
Azure Stack Edge
Microsoft Azure Kubernetes Service
Microsoft Dynamics 365 (on-premises)
Microsoft Exchange Online
Microsoft Exchange Server
Microsoft Office SharePoint
Nuance PowerScribe
Remote Desktop Client
Visual Studio Code
Windows DHCP Client
Windows DHCP Server
Windows HTTP.sys
Windows Kernel
Windows TCP/IP

[Recommended Actions]
Microsoft has released a patch to address this vulnerability. Organizations can contact their system maintenance vendors or refer to the following link: https://msrc.microsoft.com/update-guide/releaseNote/2026-Jun

[References]
1. https://msrc.microsoft.com/update-guide/releaseNote/2026-Jun