Microsoft December 2025 Security Updates

Microsoft December 2025 Security Updates

This release consists of the following 57 Microsoft CVEs:
Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations?
Windows PowerShell CVE-2025-54100
Windows Projected File System CVE-2025-55233
Windows Storage VSP Driver CVE-2025-59516
Windows Storage VSP Driver CVE-2025-59517
Windows Cloud Files Mini Filter Driver CVE-2025-62221
Microsoft Edge for iOS CVE-2025-62223
Windows Cloud Files Mini Filter Driver CVE-2025-62454
Windows Message Queuing CVE-2025-62455
Windows Resilient File System (ReFS) CVE-2025-62456
Windows Cloud Files Mini Filter Driver CVE-2025-62457
Windows Win32K - GRFX CVE-2025-62458
Windows Projected File System Filter Driver CVE-2025-62461
Windows Projected File System CVE-2025-62462
Windows DirectX CVE-2025-62463
Windows Projected File System CVE-2025-62464
Windows DirectX CVE-2025-62465
Windows Client-Side Caching (CSC) Service CVE-2025-62466
Windows Projected File System CVE-2025-62467
Windows Defender Firewall Service CVE-2025-62468
Microsoft Brokering File System CVE-2025-62469
Windows Common Log File System Driver CVE-2025-62470
Windows Remote Access Connection Manager CVE-2025-62472
Windows Routing and Remote Access Service (RRAS) CVE-2025-62473
Windows Remote Access Connection Manager CVE-2025-62474
Windows Routing and Remote Access Service (RRAS) CVE-2025-62549
Azure Monitor Agent CVE-2025-62550
Microsoft Office Access CVE-2025-62552
Microsoft Office Excel CVE-2025-62553
Microsoft Office CVE-2025-62554
Microsoft Office Word CVE-2025-62555
Microsoft Office Excel CVE-2025-62556
Microsoft Office CVE-2025-62557
Microsoft Office Word CVE-2025-62558
Microsoft Office Word CVE-2025-62559
Microsoft Office Excel CVE-2025-62560
Microsoft Office Excel CVE-2025-62561
Microsoft Office Outlook CVE-2025-62562
Microsoft Office Excel CVE-2025-62563
Microsoft Office Excel CVE-2025-62564
Windows Shell CVE-2025-62565
Windows Hyper-V CVE-2025-62567
Microsoft Brokering File System CVE-2025-62569
Windows Camera Frame Server Monitor CVE-2025-62570
Windows Installer CVE-2025-62571
Application Information Services CVE-2025-62572
Windows DirectX CVE-2025-62573
Windows Shell CVE-2025-64658
Windows Shell CVE-2025-64661
Microsoft Exchange Server CVE-2025-64666
Microsoft Exchange Server CVE-2025-64667
Microsoft Graphics Component CVE-2025-64670
Copilot CVE-2025-64671
Microsoft Office SharePoint CVE-2025-64672
Storvsp.sys Driver CVE-2025-64673
Windows Routing and Remote Access Service (RRAS) CVE-2025-64678
Windows DWM Core Library CVE-2025-64679
Windows DWM Core Library CVE-2025-64680

We are republishing 13 non-Microsoft CVEs:
CNA Tag CVE FAQs? Workarounds? Mitigations?
Chrome Microsoft Edge (Chromium-based) CVE-2025-13630
Chrome Microsoft Edge (Chromium-based) CVE-2025-13631
Chrome Microsoft Edge (Chromium-based) CVE-2025-13632
Chrome Microsoft Edge (Chromium-based) CVE-2025-13633
Chrome Microsoft Edge (Chromium-based) CVE-2025-13634
Chrome Microsoft Edge (Chromium-based) CVE-2025-13635
Chrome Microsoft Edge (Chromium-based) CVE-2025-13636
Chrome Microsoft Edge (Chromium-based) CVE-2025-13637
Chrome Microsoft Edge (Chromium-based) CVE-2025-13638
Chrome Microsoft Edge (Chromium-based) CVE-2025-13639
Chrome Microsoft Edge (Chromium-based) CVE-2025-13640
Chrome Microsoft Edge (Chromium-based) CVE-2025-13720
Chrome Microsoft Edge (Chromium-based) CVE-2025-13721

Security Update Guide Blog Posts
Date Blog Post
October 31, 2025 You asked, we delivered: Introducing new features for an improved security experience
October 28, 2025 Understanding CVE-2025-55315: What CISOs, security engineers, and sysadmins should know
October 22, 2025 Toward greater transparency: Introducing machine-readable Vulnerability Exploitability Xchange (VEX) for Azure Linux and beyond
November 12, 2024 Toward greater transparency: Publishing machine-readable CSAF files
June 27, 2024 Toward greater transparency: Unveiling Cloud Service CVEs
April 9, 2024 Toward greater transparency: Security Update Guide now shares CWEs for CVEs
January 6, 2023 Publishing CBL-Mariner CVEs on the Security Update Guide CVRF API
January 11, 2022 Coming Soon: New Security Update Guide Notification System
February 9, 2021 Continuing to Listen: Good News about the Security Update Guide API
January 13, 2021 Security Update Guide Supports CVEs Assigned by Industry Partners
December 8, 2020 Security Update Guide: Let’s keep the conversation going
November 9, 2020 Vulnerability Descriptions in the New Version of the Security Update Guide
Relevant Resources

• The new Hotpatching feature is now generally available. Please see Hotpatching feature for Windows Server Azure Edition virtual machines (VMs) for more information.
• Windows 10 and Windows 11 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10 and Windows 11, in addition to non-security updates. The updates are available via the Microsoft Update Catalog. For information on lifecycle and support dates for Windows 10 and Windows 11 operating systems, please see Windows Lifecycle Facts Sheet.
• Microsoft is improving Windows Release Notes. For more information, please see What's next for Windows release notes.
• A list of the latest servicing stack updates for each operating system can be found in ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
• In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
• Customers running Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See 4522133 for more information.

Known Issues
You can see these in more detail from the Deployments tab by selecting Known Issues column in the Edit Columns panel.

For more information about Windows Known Issues, please see Windows message center (links to currently-supported versions of Windows are in the left pane).

KB Article Applies To
5071413 Windows Server 2022 Hotpatch
5072014 Windows Server 2025 Hotpatch
5071504 Windows Server 2008 (Monthly Rollup)
5071507 Windows Server 2008 (Security-only update)
5071542 Windows Server 23H2
5071547 Windows Server 2022
5072033 Windows 11, version 24H2, Windows 11, version 25H2, Server 2025
Released: Dec 9, 2025

December 2025 Security Updates - Release Notes - Security Update Guide - Microsoft