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9.0CRITICAL

Critical Patches Issued for Microsoft Products, May 12, 2026

📅 12 May 2026 at 18:15 UTC📰 CIS AdvisoriesView original source ↗

Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Multiple vulnerabilities have been discovered in Microsoft products, with the most severe allowing for remote code execution, potentially leading to elevated privileges and system compromise.

⚙️Technical Details
Affected Systems
Windows Cloud Files Mini Filter DriverWindows Telephony ServiceWindows LDAP - Lightweight Directory Access ProtocolWindows Projected File SystemWindows Link-Layer Discovery Protocol (LLDP)Windows Print Spooler ComponentsWindows Application Identity (AppID) SubsystemWindows Ancillary Function Driver for WinSockWindows Win32K - GRFXWindows Storport Miniport DriverWindows TCP/IPWindows Storage Spaces ControllerWindows Win32K - ICOMPWindows DWM Core LibraryWindows KernelWindows GDITelnet ClientWindows Internet Key Exchange (IKE) ProtocolAzure Cloud ShellMicrosoft Edge for Android.NETAzure AI Foundry M365 published agentsMicrosoft Office Click-To-RunWindows Admin CenterMicrosoft Office SharePointMicrosoft Office WordMicrosoft OfficeSQL ServerPower AutomateWindows Cryptographic ServicesAzure Entra IDWindows Volume Manager Extension DriverAzure Connected Machine AgentWindows Common Log File System DriverWindows Remote DesktopWindows Hyper-VWindows Kernel-Mode DriversWindows SMB ClientMicrosoft Edge (Chromium-based)Dynamics Business CentralWindows NetlogonMicrosoft Data FormulatorData DeduplicationMicrosoft Windows DNSWindows Secure BootM365 CopilotMicrosoft Office PowerPointMicrosoft SSO Plugin for Jira & ConfluenceAzure Notification ServiceGitHub Copilot and Visual StudioVisual Studio CodeM365 Copilot for DesktopAzure Logic AppsAzure DevOpsAzure Monitor AgentMicrosoft Dynamics 365 (on-premises)ASP.NET Core
Attack Vectors
Remote code executionElevation of privileges
💥Impact Assessment
Severity: HIGH/MEDIUM
🛡️Recommended Actions
1Apply appropriate updates provided by Microsoft to vulnerable systems immediately after appropriate testing.
2Establish and maintain a documented vulnerability management process for enterprise assets.
3Perform application updates on enterprise assets through automated patch management on a monthly, or more frequent, basis.
📦Affected Products
Windows Cloud Files Mini Filter DriverWindows Telephony ServiceWindows LDAP - Lightweight Directory Access ProtocolWindows Projected File SystemWindows Link-Layer Discovery Protocol (LLDP)Windows Print Spooler ComponentsWindows Application Identity (AppID) SubsystemWindows Ancillary Function Driver for WinSockWindows Win32K - GRFXWindows Storport Miniport DriverWindows TCP/IPWindows Storage Spaces ControllerWindows Win32K - ICOMPWindows DWM Core LibraryWindows KernelWindows GDITelnet ClientWindows Internet Key Exchange (IKE) ProtocolAzure Cloud ShellMicrosoft Edge for Android.NETAzure AI Foundry M365 published agentsMicrosoft Office Click-To-RunWindows Admin CenterMicrosoft Office SharePointMicrosoft Office WordMicrosoft OfficeSQL ServerPower AutomateWindows Cryptographic ServicesAzure Entra IDWindows Volume Manager Extension DriverAzure Connected Machine AgentWindows Common Log File System DriverWindows Remote DesktopWindows Hyper-VWindows Kernel-Mode DriversWindows SMB ClientMicrosoft Edge (Chromium-based)Dynamics Business CentralWindows NetlogonMicrosoft Data FormulatorData DeduplicationMicrosoft Windows DNSWindows Secure BootM365 CopilotMicrosoft Office PowerPointMicrosoft SSO Plugin for Jira & ConfluenceAzure Notification ServiceGitHub Copilot and Visual StudioVisual Studio CodeM365 Copilot for DesktopAzure Logic AppsAzure DevOpsAzure Monitor AgentMicrosoft Dynamics 365 (on-premises)ASP.NET Core

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