Microsoft Patch Tuesday December 2025


This release addresses 57 vulnerabilities. 3 of these vulnerabilities are rated critical. One vulnerability was already exploited, and two were publicly disclosed before the patch was released.

CVE-2025-62221: This privilege escalation vulnerability in the Microsoft Cloud Files Mini Filters driver is already being exploited.

CVE-2025-54100: A PowerShell script using Invoke-WebRequest may execute scripts that are included in the response. This is what Invoke-WebRequest is supposed to do. The patch adds a warning suggesting adding the -UseBasicParsing parameter to avoid executing scripts.

CVE-2025-64671: The GitHub Copilot plugin for JetBrains may lead to remote code execution. This is overall an issue with many AI code assistance as they have far-reaching access to the IDE.

The critical vulnerabilities are remote code execution vulnerabilities in Office and Outlook.

 

































































































Description
CVE Disclosed Exploited Exploitability (old versions) current version Severity CVSS Base (AVG) CVSS Temporal (AVG)
Application Information Service Elevation of Privilege Vulnerability
CVE-2025-62572 No No Important 7.8 6.8
Azure Monitor Agent Remote Code Execution Vulnerability
CVE-2025-62550 No No Important 8.8 7.7
DirectX Graphics Kernel Denial of Service Vulnerability
CVE-2025-62463 No No Important 6.5 5.7
CVE-2025-62465 No No Important 6.5 5.7
DirectX Graphics Kernel Elevation of Privilege Vulnerability
CVE-2025-62573 No No Important 7.0 6.1
GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2025-64671 Yes No Important 8.4 7.3
Microsoft Access Remote Code Execution Vulnerability
CVE-2025-62552 No No Important 7.8 6.8
Microsoft Brokering File System Elevation of Privilege Vulnerability
CVE-2025-62469 No No Important 7.0 6.1
CVE-2025-62569 No No Important 7.0 6.1
Microsoft Edge (Chromium-based) for Mac Spoofing Vulnerability
CVE-2025-62223 No No Low 4.3 3.8
Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62561 No No Important 7.8 6.8
CVE-2025-62563 No No Important 7.8 6.8
CVE-2025-62564 No No Important 7.8 6.8
CVE-2025-62553 No No Important 7.8 6.8
CVE-2025-62556 No No Important 7.8 6.8
CVE-2025-62560 No No Important 7.8 6.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2025-64666 No No Important 7.5 6.5
Microsoft Exchange Server Spoofing Vulnerability
CVE-2025-64667 No No Important 5.3 4.6
Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability
CVE-2025-62455 No No Important 7.8 6.8
Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62554 No No Critical 8.4 7.3
CVE-2025-62557 No No Critical 8.4 7.3
Microsoft Outlook Remote Code Execution Vulnerability
CVE-2025-62562 No No Critical 7.8 6.8
Microsoft SharePoint Server Spoofing Vulnerability
CVE-2025-64672 No No Important 8.8 7.7
Microsoft Word Remote Code Execution Vulnerability
CVE-2025-62555 No No Important 7.0 6.1
CVE-2025-62558 No No Important 7.8 6.8
CVE-2025-62559 No No Important 7.8 6.8
PowerShell Remote Code Execution Vulnerability
CVE-2025-54100 Yes No Important 7.8 6.8
Win32k Elevation of Privilege Vulnerability
CVE-2025-62458 No No Important 7.8 6.8
Windows Camera Frame Server Monitor Information Disclosure Vulnerability
CVE-2025-62570 No No Important 7.1 6.2
Windows Client-Side Caching Elevation of Privilege Vulnerability
CVE-2025-62466 No No Important 7.8 6.8
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2025-62454 No No Important 7.8 6.8
CVE-2025-62457 No No Important 7.8 6.8
CVE-2025-62221 No Yes Important 7.8 6.8
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2025-62470 No No Important 7.8 6.8
Windows DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-64679 No No Important 7.8 6.8
CVE-2025-64680 No No Important 7.8 6.8
Windows Defender Firewall Service Information Disclosure Vulnerability
CVE-2025-62468 No No Important 4.4 3.9
Windows DirectX Information Disclosure Vulnerability
CVE-2025-64670 No No Important 6.5 5.7
Windows File Explorer Elevation of Privilege Vulnerability
CVE-2025-64658 No No Important 7.5 6.5
CVE-2025-62565 No No Important 7.3 6.4
Windows Hyper-V Denial of Service Vulnerability
CVE-2025-62567 No No Important 5.3 4.6
Windows Installer Elevation of Privilege Vulnerability
CVE-2025-62571 No No Important 7.8 6.8
Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62461 No No Important 7.8 6.8
CVE-2025-62462 No No Important 7.8 6.8
CVE-2025-62464 No No Important 7.8 6.8
CVE-2025-55233 No No Important 7.8 6.8
CVE-2025-62467 No No Important 7.8 6.8
Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2025-62472 No No Important 7.8 6.8
CVE-2025-62474 No No Important 7.8 6.8
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
CVE-2025-62456 No No Important 8.8 7.7
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
CVE-2025-62473 No No Important 6.5 5.7
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-62549 No No Important 8.8 7.7
CVE-2025-64678 No No Important 8.8 7.7
Windows Shell Elevation of Privilege Vulnerability
CVE-2025-64661 No No Important 7.8 6.8
Windows Storage VSP Driver Elevation of Privilege Vulnerability
CVE-2025-64673 No No Important 7.8 6.8
CVE-2025-59516 No No Important 7.8 6.8
CVE-2025-59517 No No Important 7.8 6.8



Johannes B. Ullrich, Ph.D. , Dean of Research, SANS.edu

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