Microsoft October / November 2025 Security Updates

October 2025 Security Updates

This release consists of the following 175 Microsoft CVEs:
Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations?

Agere Windows Modem Driver CVE-2025-24052
Agere Windows Modem Driver CVE-2025-24990
Microsoft PowerShell CVE-2025-25004
Windows Failover Cluster CVE-2025-47979
Azure Connected Machine Agent CVE-2025-47989
Microsoft Brokering File System CVE-2025-48004
Virtual Secure Mode CVE-2025-48813
Microsoft Graphics Component CVE-2025-49708
Windows Kernel CVE-2025-50152
Windows Device Association Broker service CVE-2025-50174
Windows Digital Media CVE-2025-50175
Windows Hello CVE-2025-53139
Windows Digital Media CVE-2025-53150
Windows Virtualization-Based Security (VBS) Enclave CVE-2025-53717

Xbox CVE-2025-53768
Microsoft Exchange Server CVE-2025-53782
Visual Studio CVE-2025-55240
.NET CVE-2025-55247 7.3
.NET, .NET Framework, Visual Studio CVE-2025-55248
ASP.NET Core CVE-2025-55315
Microsoft Configuration Manager CVE-2025-55320
Azure Monitor CVE-2025-55321
Windows Storage Management Provider CVE-2025-55325
Connected Devices Platform Service (Cdpsvc) CVE-2025-55326
Windows Hyper-V CVE-2025-55328
Windows BitLocker CVE-2025-55330
Windows PrintWorkflowUserSvc CVE-2025-55331
Windows BitLocker CVE-2025-55332
Windows BitLocker CVE-2025-55333
Windows Kernel CVE-2025-55334
Windows NTFS CVE-2025-55335

Windows Cloud Files Mini Filter Driver CVE-2025-55336
Windows BitLocker CVE-2025-55337
Windows BitLocker CVE-2025-55338
Windows NDIS CVE-2025-55339
Windows Remote Desktop Protocol CVE-2025-55340
Windows USB Video Driver CVE-2025-55676
Windows Device Association Broker service CVE-2025-55677
Windows DirectX CVE-2025-55678
Windows Kernel CVE-2025-55679
Windows Cloud Files Mini Filter Driver CVE-2025-55680
Windows DWM CVE-2025-55681
Windows BitLocker CVE-2025-55682
Windows Kernel CVE-2025-55683
Windows PrintWorkflowUserSvc CVE-2025-55684
Windows PrintWorkflowUserSvc CVE-2025-55685
Windows PrintWorkflowUserSvc CVE-2025-55686
Windows Resilient File System (ReFS) CVE-2025-55687
Windows PrintWorkflowUserSvc CVE-2025-55688
Windows PrintWorkflowUserSvc CVE-2025-55689
Windows PrintWorkflowUserSvc CVE-2025-55690
Windows PrintWorkflowUserSvc CVE-2025-55691
Windows Error Reporting CVE-2025-55692
Windows Kernel CVE-2025-55693
Windows Error Reporting CVE-2025-55694
Windows WLAN Auto Config Service CVE-2025-55695
NtQueryInformation Token function (ntifs.h) CVE-2025-55696
Azure Local CVE-2025-55697
Windows DirectX CVE-2025-55698
Windows Kernel CVE-2025-55699
Windows Routing and Remote Access Service (RRAS) CVE-2025-55700
Microsoft Windows CVE-2025-55701

Windows Ancillary Function Driver for WinSock CVE-2025-58714
Microsoft Windows Speech CVE-2025-58715
Microsoft Windows Speech CVE-2025-58716
Windows Routing and Remote Access Service (RRAS) CVE-2025-58717
Remote Desktop Client CVE-2025-58718
Connected Devices Platform Service (Cdpsvc) CVE-2025-58719
Windows Cryptographic Services CVE-2025-58720
Windows DWM CVE-2025-58722
Azure Connected Machine Agent CVE-2025-58724
Windows COM CVE-2025-58725
Windows SMB Server CVE-2025-58726
Windows Connected Devices Platform Service CVE-2025-58727
Windows Bluetooth Service CVE-2025-58728
Windows Local Session Manager (LSM) CVE-2025-58729
Inbox COM Objects CVE-2025-58730
Inbox COM Objects CVE-2025-58731
Inbox COM Objects CVE-2025-58732
Inbox COM Objects CVE-2025-58733
Inbox COM Objects CVE-2025-58734
Inbox COM Objects CVE-2025-58735
Inbox COM Objects CVE-2025-58736

Windows Remote Desktop CVE-2025-58737
Inbox COM Objects CVE-2025-58738
Windows File Explorer CVE-2025-58739
Windows High Availability Services CVE-2025-59184
Windows Core Shell CVE-2025-59185
Windows Kernel CVE-2025-59186
Windows Kernel CVE-2025-59187
Windows Failover Cluster CVE-2025-59188
Microsoft Brokering File System CVE-2025-59189
Microsoft Windows Search Component CVE-2025-59190
Connected Devices Platform Service (Cdpsvc) CVE-2025-59191
Storport.sys Driver CVE-2025-59192
Windows Management Services CVE-2025-59193
Windows Kernel CVE-2025-59194
Microsoft Graphics Component CVE-2025-59195
Windows SSDP Service CVE-2025-59196
Windows ETL Channel CVE-2025-59197

Microsoft Windows Search Component CVE-2025-59198
Software Protection Platform (SPP) CVE-2025-59199
Data Sharing Service Client CVE-2025-59200
Network Connection Status Indicator (NCSI) CVE-2025-59201
Windows Remote Desktop Services CVE-2025-59202
Windows StateRepository API CVE-2025-59203
Windows Management Services CVE-2025-59204
Microsoft Graphics Component CVE-2025-59205
Windows Resilient File System (ReFS) Deduplication Service CVE-2025-59206
Windows Kernel CVE-2025-59207
Windows MapUrlToZone CVE-2025-59208
Windows Push Notification Core CVE-2025-59209
Windows Resilient File System (ReFS) Deduplication Service CVE-2025-59210
Windows Push Notification Core CVE-2025-59211
Microsoft Configuration Manager CVE-2025-59213
Windows File Explorer CVE-2025-59214

Azure Entra ID CVE-2025-59218
Microsoft Office Word CVE-2025-59221
Microsoft Office Word CVE-2025-59222
Microsoft Office Excel CVE-2025-59223
Microsoft Office Excel CVE-2025-59224
Microsoft Office Excel CVE-2025-59225
Microsoft Office Visio CVE-2025-59226
Microsoft Office CVE-2025-59227
Microsoft Office SharePoint CVE-2025-59228
Microsoft Office CVE-2025-59229
Windows Remote Access Connection Manager CVE-2025-59230
Microsoft Office Excel CVE-2025-59231
Microsoft Office Excel CVE-2025-59232
Microsoft Office Excel CVE-2025-59233
Microsoft Office CVE-2025-59234
Microsoft Office Excel CVE-2025-59235
Microsoft Office Excel CVE-2025-59236
Microsoft Office SharePoint CVE-2025-59237
Microsoft Office PowerPoint CVE-2025-59238

Windows Health and Optimized Experiences Service CVE-2025-59241
Windows Ancillary Function Driver for WinSock CVE-2025-59242
Microsoft Office Excel CVE-2025-59243
Windows Core Shell CVE-2025-59244
Azure Entra ID CVE-2025-59246
Azure PlayFab CVE-2025-59247
Microsoft Exchange Server CVE-2025-59248
Microsoft Exchange Server CVE-2025-59249
JDBC Driver for SQL Server CVE-2025-59250
Copilot CVE-2025-59252
Microsoft Windows Search Component CVE-2025-59253
Windows DWM Core Library CVE-2025-59254
Windows DWM Core Library CVE-2025-59255
Windows Local Session Manager (LSM) CVE-2025-59257
Active Directory Federation Services CVE-2025-59258
Windows Local Session Manager (LSM) CVE-2025-59259
Microsoft Failover Cluster Virtual Driver CVE-2025-59260
Microsoft Graphics Component CVE-2025-59261
Redis Enterprise CVE-2025-59271
Copilot CVE-2025-59272

Windows Authentication Methods CVE-2025-59275
Windows Authentication Methods CVE-2025-59277
Windows Authentication Methods CVE-2025-59278
Windows SMB Client CVE-2025-59280
XBox Gaming Services CVE-2025-59281
Inbox COM Objects CVE-2025-59282
Windows NTLM CVE-2025-59284
Azure Monitor Agent CVE-2025-59285
Copilot CVE-2025-59286
Windows Server Update Service CVE-2025-59287
GitHub CVE-2025-59288
Windows Bluetooth Service CVE-2025-59289
Windows Bluetooth Service CVE-2025-59290
Confidential Azure Container Instances CVE-2025-59291
Confidential Azure Container Instances CVE-2025-59292
Windows Taskbar Live CVE-2025-59294
Internet Explorer CVE-2025-59295
Azure Monitor Agent CVE-2025-59494
Microsoft Defender for Linux CVE-2025-59497
Windows Remote Procedure Call CVE-2025-59502


We are republishing 21 non-Microsoft CVEs:
CNA Tag CVE FAQs? Workarounds? Mitigations?
MITRE Microsoft Graphics Component CVE-2016-9535
AMD AMD Restricted Memory Page CVE-2025-0033
Chrome Microsoft Edge (Chromium-based) CVE-2025-11205
Chrome Microsoft Edge (Chromium-based) CVE-2025-11206
Chrome Microsoft Edge (Chromium-based) CVE-2025-11207
Chrome Microsoft Edge (Chromium-based) CVE-2025-11208
Chrome Microsoft Edge (Chromium-based) CVE-2025-11209
Chrome Microsoft Edge (Chromium-based) CVE-2025-11210
Chrome Microsoft Edge (Chromium-based) CVE-2025-11211
Chrome Microsoft Edge (Chromium-based) CVE-2025-11212
Chrome Microsoft Edge (Chromium-based) CVE-2025-11213
Chrome Microsoft Edge (Chromium-based) CVE-2025-11215
Chrome Microsoft Edge (Chromium-based) CVE-2025-11216
Chrome Microsoft Edge (Chromium-based) CVE-2025-11219
Chrome Microsoft Edge (Chromium-based) CVE-2025-11458
Chrome Microsoft Edge (Chromium-based) CVE-2025-11460
CERT/CC TCG TPM2.0 CVE-2025-2884
MITRE Windows Secure Boot CVE-2025-47827
GitHub Visual Studio CVE-2025-54132 No No No
MITRE Microsoft Windows Codecs Library CVE-2025-54957
MITRE Games CVE-2025-59489

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
5066835 Windows 11, version 24H2, Windows 11, version 25H2
5066874 Windows Server 2008 (Monthly Rollup)
5066877 Windows Server 2008 (Security-only update)
Released: Oct 14, 2025

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

 

CVEs have been published or revised in the Security Update Guide
October 15, 2025

These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide:

CVE-2024-30098

• Title: Windows Cryptographic Services Security Feature Bypass Vulnerability
• Version: 2.1
• Reason for revision: Updated links to security updates. This is an informational change only.
• Originally released: July 9, 2024
• Last updated: March 26, 2025
• Aggregate CVE severity rating: Important
• Customer action required: Yes

CVE-2024-30098

• Title: Windows Cryptographic Services Security Feature Bypass Vulnerability
• Version: 3.0
• Reason for revision: The following updates have been made to CVE-2024-30098: 1. In the Security Updates table, added all supported versions Windows 11 25H2 as they are affected by the vulnerability. 2. To enable the fix by default, Microsoft has released October 2025 security updates for all affected versions of Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2022 23H2 Edition, Windows 10, and Windows 11. 3. Updated the "Are there any further actions I need to take to be protected from this vulnerability?" FAQ to state that starting with the October 2025 security updates, the fix will be enabled by default (DisableCapiOverrideForRSA set to 1) and the KSP will be used for RSA based certificates in the Smart Card Certificate Propagation service. If you discover applications relying on the old behavior, the DisableCapiOverrideForRSA registry key can be set back to 0 to switch back to auditing mode. The DisableCapiOverrideForRSA registry key will be removed in April 2026. See the FAQ section of this CVE for more information.
• Originally released: July 9, 2024
• Last updated: October 14, 2025
• Aggregate CVE severity rating: Important
• Customer action required: Yes

CVE-2025-50173

• Title: Windows Installer Elevation of Privilege Vulnerability
• Version: 2.0
• Reason for revision: In the Security Update table, added Multimedia Redirection Installer as it is also affected by this vulnerability. Microsoft recommends that customers using Multimedia Redirection Installer install the update to be fully protected from the vulnerability.
• Originally released: August 12, 2025
• Last updated: October 14, 2025
• Aggregate CVE severity rating: Important
• Customer action required: Yes

 

CVEs have been published or revised in the Security Update Guide
October 22, 2025

These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide:

CVE-2025-55315

• Title: ASP.NET Security Feature Bypass Vulnerability
• Version: 1.1
• Reason for revision: Added an FAQ to explain the disparity between the Important severity, the exploitability assessment of "less likely to be exploited", and the high CVSS3.1 score of 9.9 out of 10.
• Originally released: October 14, 2025
• Last updated: October 22, 2025
• Aggregate CVE severity rating: Important
• Customer action required: Yes

 

CVEs have been published or revised in the Security Update Guide
October 23, 2025

These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide:

CVE-2025-55315

• Title: ASP.NET Security Feature Bypass Vulnerability
• Version: 1.1
• Reason for revision: Added an FAQ to explain the disparity between the Important severity, the exploitability assessment of "less likely to be exploited", and the high CVSS3.1 score of 9.9 out of 10.
• Originally released: October 14, 2025
• Last updated: October 22, 2025
• Aggregate CVE severity rating: Important
• Customer action required: Yes

CVE-2025-59287

• Title: Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
• Version: 2.0
• Reason for revision: To comprehensively address CVE-2025-59287, Microsoft has released an out of band security update for the following supported versions of Windows Server: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022, 23H2 Edition (Server Core installation), and Windows Server 2025. Note that a reboot will be required after you install the updates.
• Originally released: October 14, 2025
• Last updated: October 23, 2025
• Aggregate CVE severity rating: Critical
• Customer action required: Yes

 

CVEs have been published or revised in the Security Update Guide
October 24, 2025

These common vulnerabilities and exposures (CVEs) were recently published or revised in the Microsoft Security Update Guide:

CVE-2025-25004

• 
  
  
  • Title: PowerShell Elevation of Privilege Vulnerability
  • Version: 2.0
  • Reason for revision: In the Security Updates table, updated Download and Article links for PowerShell 7.4 and PowerShell 7.5.
  • Originally released: October 14, 2025
  • Last updated: October 21, 2025
  • Aggregate CVE severity rating: Important
  • Customer action required: Yes

CVE-2025-59287

• 
  
  
  • Title: Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
  • Version: 3.0
  • Reason for revision: Security hotpatch updates are now available for supported versions of Windows Server 2022 and Windows Server 2025. Note that a reboot will be required after you install these hotpatch updates.
  • Originally released: October 14, 2025
  • Last updated: October 24, 2025
  • Aggregate CVE severity rating: Critical
  • Customer action required: Yes