Microsoft January 2025 Security Updates

January 2025 Security Updates



This release consists of the following 159 Microsoft CVEs:

Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations?
.NET CVE-2025-21171
.NET and Visual Studio CVE-2025-21172
.NET CVE-2025-21173
.NET, .NET Framework, Visual Studio CVE-2025-21176
Visual Studio CVE-2025-21178
Microsoft Office Access CVE-2025-21186
Power Automate CVE-2025-21187
Windows MapUrlToZone CVE-2025-21189
Active Directory Federation Services CVE-2025-21193
Windows Recovery Environment Agent CVE-2025-21202
Windows Connected Devices Platform Service CVE-2025-21207
Windows Virtual Trusted Platform Module CVE-2025-21210
Windows Boot Loader CVE-2025-21211
Windows BitLocker CVE-2025-21213
Windows BitLocker CVE-2025-21214
Windows Boot Manager CVE-2025-21215
Windows Mark of the Web (MOTW) CVE-2025-21217
Windows Kerberos CVE-2025-21218
Windows MapUrlToZone CVE-2025-21219
Windows Message Queuing CVE-2025-21220
Windows Telephony Service CVE-2025-21223
Line Printer Daemon Service (LPD) CVE-2025-21224
Windows Remote Desktop Services CVE-2025-21225
Windows Digital Media CVE-2025-21226
Windows Digital Media CVE-2025-21227
Windows Digital Media CVE-2025-21228
Windows Digital Media CVE-2025-21229
Windows Message Queuing CVE-2025-21230
IP Helper CVE-2025-21231
Windows Digital Media CVE-2025-21232
Windows Telephony Service CVE-2025-21233
Windows PrintWorkflowUserSvc CVE-2025-21234
Windows PrintWorkflowUserSvc CVE-2025-21235
Windows Telephony Service CVE-2025-21236
Windows Telephony Service CVE-2025-21237
Windows Telephony Service CVE-2025-21238
Windows Telephony Service CVE-2025-21239
Windows Telephony Service CVE-2025-21240
Windows Telephony Service CVE-2025-21241
Windows Kerberos CVE-2025-21242
Windows Telephony Service CVE-2025-21243
Windows Telephony Service CVE-2025-21244
Windows Telephony Service CVE-2025-21245
Windows Telephony Service CVE-2025-21246
Windows Telephony Service CVE-2025-21248
Windows Digital Media CVE-2025-21249
Windows Telephony Service CVE-2025-21250
Windows Message Queuing CVE-2025-21251
Windows Telephony Service CVE-2025-21252
Windows Digital Media CVE-2025-21255
Windows Digital Media CVE-2025-21256
Windows WLAN Auto Config Service CVE-2025-21257
Windows Digital Media CVE-2025-21258
Windows Digital Media CVE-2025-21260
Windows Digital Media CVE-2025-21261
Windows Digital Media CVE-2025-21263
Windows Digital Media CVE-2025-21265
Windows Telephony Service CVE-2025-21266
Windows MapUrlToZone CVE-2025-21268
Windows MapUrlToZone CVE-2025-21269
Windows Message Queuing CVE-2025-21270
Windows Cloud Files Mini Filter Driver CVE-2025-21271
Windows COM CVE-2025-21272
Windows Telephony Service CVE-2025-21273
Windows Event Tracing CVE-2025-21274
Windows Installer CVE-2025-21275
Windows MapUrlToZone CVE-2025-21276
Windows Message Queuing CVE-2025-21277
Windows Remote Desktop Services CVE-2025-21278
Windows Virtual Trusted Platform Module CVE-2025-21280
Windows COM CVE-2025-21281
Windows Telephony Service CVE-2025-21282
Windows Virtual Trusted Platform Module CVE-2025-21284
Windows Message Queuing CVE-2025-21285
Windows Telephony Service CVE-2025-21286
Windows Installer CVE-2025-21287
Windows COM CVE-2025-21288
Windows Message Queuing CVE-2025-21289
Windows Message Queuing CVE-2025-21290
Windows Direct Show CVE-2025-21291
Microsoft Windows Search Component CVE-2025-21292
Active Directory Domain Services CVE-2025-21293
Microsoft Digest Authentication CVE-2025-21294
Windows SPNEGO Extended Negotiation CVE-2025-21295
BranchCache CVE-2025-21296
Windows Remote Desktop Services CVE-2025-21297
Windows OLE CVE-2025-21298
Windows Kerberos CVE-2025-21299
Windows UPnP Device Host CVE-2025-21300
Windows Geolocation Service CVE-2025-21301
Windows Telephony Service CVE-2025-21302
Windows Telephony Service CVE-2025-21303
Windows DWM Core Library CVE-2025-21304
Windows Telephony Service CVE-2025-21305
Windows Telephony Service CVE-2025-21306
Reliable Multicast Transport Driver (RMCAST) CVE-2025-21307
Windows Themes CVE-2025-21308
Windows Remote Desktop Services CVE-2025-21309
Windows Digital Media CVE-2025-21310
Windows NTLM CVE-2025-21311
Windows Smart Card CVE-2025-21312
Windows Security Account Manager CVE-2025-21313
Windows SmartScreen CVE-2025-21314
Microsoft Brokering File System CVE-2025-21315
Windows Kernel Memory CVE-2025-21316
Windows Kernel Memory CVE-2025-21317
Windows Kernel Memory CVE-2025-21318
Windows Kernel Memory CVE-2025-21319
Windows Kernel Memory CVE-2025-21320
Windows Kernel Memory CVE-2025-21321
Windows Kernel Memory CVE-2025-21323
Windows Digital Media CVE-2025-21324
Internet Explorer CVE-2025-21326
Windows Digital Media CVE-2025-21327
Windows MapUrlToZone CVE-2025-21328
Windows MapUrlToZone CVE-2025-21329
Windows Remote Desktop Services CVE-2025-21330
Windows Installer CVE-2025-21331
Windows MapUrlToZone CVE-2025-21332
Windows Hyper-V NT Kernel Integration VSP CVE-2025-21333
Windows Hyper-V NT Kernel Integration VSP CVE-2025-21334
Windows Hyper-V NT Kernel Integration VSP CVE-2025-21335
Windows Cryptographic Services CVE-2025-21336
Windows Win32K - GRFX CVE-2025-21338
Windows Telephony Service CVE-2025-21339
Windows Hello CVE-2025-21340
Windows Digital Media CVE-2025-21341
Windows Web Threat Defense User Service CVE-2025-21343
Microsoft Office SharePoint CVE-2025-21344
Microsoft Office Visio CVE-2025-21345
Microsoft Office CVE-2025-21346
Microsoft Office SharePoint CVE-2025-21348
Microsoft Office Excel CVE-2025-21354
Microsoft Office Visio CVE-2025-21356
Microsoft Office Outlook CVE-2025-21357
Microsoft AutoUpdate (MAU) CVE-2025-21360
Microsoft Office Outlook for Mac CVE-2025-21361
Microsoft Office Excel CVE-2025-21362
Microsoft Office Word CVE-2025-21363
Microsoft Office Excel CVE-2025-21364
Microsoft Office CVE-2025-21365
Microsoft Office Access CVE-2025-21366
Windows Virtualization-Based Security (VBS) Enclave CVE-2025-21370
Microsoft Brokering File System CVE-2025-21372 Windows Client-Side Caching (CSC) Service CVE-2025-21374

Windows Client-Side Caching (CSC) Service CVE-2025-21378
Azure Marketplace SaaS Resources CVE-2025-21380
Microsoft Graphics Component CVE-2025-21382
Microsoft Purview CVE-2025-21385
Windows UPnP Device Host CVE-2025-21389
Microsoft Office SharePoint CVE-2025-21393
Microsoft Office Access CVE-2025-21395
Microsoft Office OneNote CVE-2025-21402
Microsoft Azure Gateway Manager CVE-2025-21403
Visual Studio CVE-2025-21405
Windows Telephony Service CVE-2025-21409
Windows Telephony Service CVE-2025-21411
Windows Telephony Service CVE-2025-21413
Windows Telephony Service CVE-2025-21417

We are republishing 2 non-Microsoft CVEs:
CNA Tag CVE FAQs? Workarounds? Mitigations?
GitHub Visual Studio CVE-2024-50338
CERT CC Windows Secure Boot CVE-2024-7344

Security Update Guide Blog Posts
Date Blog Post
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
5049981 Windows 10, version 21H2, Windows 10, version 22H2
5049983 Windows Server 2022
5049984 Windows Server 2022, 23H2 Edition (Server Core installation)
5050008 Windows 10, version 1809, Windows Server 2019
5050009 Windows 11, version 24H2
5050021 Windows 11, version 22H2, Windows 11, version 23H2
5050061 Windows Server 2008 (Security-only update)
5050063 Windows Server 2008 (Monthly Rollup)


Released: Jan 14, 2025
January 2025 Security Updates - Release Notes - Security Update Guide - Microsoft