Microsoft May / June 2026 Security Updates

Discussion in 'Software' started by NICK ADSL UK, May 12, 2026 at 2:31 PM.

Thread Status:
Not open for further replies.
  1. NICK ADSL UK

    NICK ADSL UK MajorGeeks Forum Administrator Staff Member

    May 2026 Security Updates

    This release consists of the following 137 Microsoft CVEs:
    Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations?

    Windows Rich Text Edit CVE-2026-21530
    M365 Copilot CVE-2026-26129
    M365 Copilot CVE-2026-26164
    Windows Native WiFi Miniport Driver CVE-2026-32161
    Windows Rich Text Edit Control CVE-2026-32170
    .NET CVE-2026-32175
    .NET CVE-2026-32177
    Microsoft Teams CVE-2026-32185
    Azure Monitor Agent CVE-2026-32204
    Azure Machine Learning CVE-2026-32207
    Windows Filtering Platform (WFP) CVE-2026-32209
    Azure Managed Instance for Apache Cassandra CVE-2026-33109
    Microsoft Office SharePoint CVE-2026-33110
    Copilot Chat (Microsoft Edge) CVE-2026-33111
    Microsoft Office SharePoint CVE-2026-33112
    Azure SDK CVE-2026-33117
    Microsoft Dynamics 365 Customer Insights CVE-2026-33821
    Microsoft Teams CVE-2026-33823
    Azure Machine Learning CVE-2026-33833
    Windows Event Logging Service CVE-2026-33834
    Windows Cloud Files Mini Filter Driver CVE-2026-33835
    Windows TCP/IP CVE-2026-33837
    Windows Message Queuing CVE-2026-33838
    Windows Win32K - GRFX CVE-2026-33839
    Windows Win32K - ICOMP CVE-2026-33840
    Windows Kernel CVE-2026-33841
    Azure Managed Instance for Apache Cassandra CVE-2026-33844
    Microsoft Partner Center CVE-2026-34327
    Windows Message Queuing CVE-2026-34329
    Windows Win32K - GRFX CVE-2026-34330
    Windows Win32K - GRFX CVE-2026-34331
    Windows Kernel-Mode Drivers CVE-2026-34332
    Windows Win32K - GRFX CVE-2026-34333
    Windows TCP/IP CVE-2026-34334 7.8
    Windows DWM Core Library CVE-2026-34336
    Windows Cloud Files Mini Filter Driver CVE-2026-34337
    Windows Telephony Service CVE-2026-34338
    Windows LDAP - Lightweight Directory Access Protocol CVE-2026-34339
    Windows Projected File System CVE-2026-34340
    Windows Link-Layer Discovery Protocol (LLDP) CVE-2026-34341
    Windows Print Spooler Components CVE-2026-34342
    Windows Application Identity (AppID) Subsystem CVE-2026-34343
    Windows Ancillary Function Driver for WinSock CVE-2026-34344
    Windows Ancillary Function Driver for WinSock CVE-2026-34345
    Windows Win32K - GRFX CVE-2026-34347
    Windows Storport Miniport Driver CVE-2026-34350
    Windows TCP/IP CVE-2026-34351
    Windows Storage Spaces Controller CVE-2026-35415
    Windows Ancillary Function Driver for WinSock CVE-2026-35416
    Windows Win32K - ICOMP CVE-2026-35417
    Windows Cloud Files Mini Filter Driver CVE-2026-35418
    Windows DWM Core Library CVE-2026-35419
    Windows Kernel CVE-2026-35420
    Windows GDI CVE-2026-35421
    Windows TCP/IP CVE-2026-35422
    Telnet Client CVE-2026-35423
    Windows Internet Key Exchange (IKE) Protocol CVE-2026-35424
    Azure Cloud Shell CVE-2026-35428
    Microsoft Edge for Android CVE-2026-35429
    .NET CVE-2026-35433
    Azure AI Foundry M365 published agents CVE-2026-35435
    Microsoft Office Click-To-Run CVE-2026-35436
    Windows Admin Center CVE-2026-35438
    Microsoft Office SharePoint CVE-2026-35439
    Microsoft Office Word CVE-2026-35440
    Microsoft Office SharePoint CVE-2026-40357
    Microsoft Office CVE-2026-40358
    Microsoft Office Excel CVE-2026-40359
    Microsoft Office Excel CVE-2026-40360
    Microsoft Office Word CVE-2026-40361
    Microsoft Office Excel CVE-2026-40362
    Microsoft Office CVE-2026-40363
    Microsoft Office Word CVE-2026-40364
    Microsoft Office SharePoint CVE-2026-40365
    Microsoft Office Word CVE-2026-40366
    Microsoft Office Word CVE-2026-40367
    Microsoft Office SharePoint CVE-2026-40368
    Windows Kernel CVE-2026-40369
    SQL Server CVE-2026-40370
    Power Automate CVE-2026-40374
    Windows Cryptographic Services CVE-2026-40377
    Azure Entra ID CVE-2026-40379
    Windows Volume Manager Extension Driver CVE-2026-40380
    Azure Connected Machine Agent CVE-2026-40381
    Windows Telephony Service CVE-2026-40382
    Windows Common Log File System Driver CVE-2026-40397
    Windows Remote Desktop CVE-2026-40398
    Windows TCP/IP CVE-2026-40399
    Windows TCP/IP CVE-2026-40401
    Windows Hyper-V CVE-2026-40402
    Windows Win32K - GRFX CVE-2026-40403
    Windows TCP/IP CVE-2026-40405
    Windows TCP/IP CVE-2026-40406
    Windows Common Log File System Driver CVE-2026-40407
    Windows Kernel-Mode Drivers CVE-2026-40408
    Windows SMB Client CVE-2026-40410
    Windows TCP/IP CVE-2026-40413
    Windows TCP/IP CVE-2026-40414
    Windows TCP/IP CVE-2026-40415
    Microsoft Edge (Chromium-based) CVE-2026-40416
    Dynamics Business Central CVE-2026-40417
    Microsoft Office Click-To-Run CVE-2026-40418
    Microsoft Office CVE-2026-40419
    Microsoft Office Click-To-Run CVE-2026-40420
    Microsoft Office Word CVE-2026-40421
    Windows Admin Center CVE-2026-41086
    Windows Ancillary Function Driver for WinSock CVE-2026-41088
    Windows Netlogon CVE-2026-41089
    Microsoft Data Formulator CVE-2026-41094
    Data Deduplication CVE-2026-41095
    Microsoft Windows DNS CVE-2026-41096
    Windows Secure Boot CVE-2026-41097
    M365 Copilot CVE-2026-41100
    Microsoft Office Word CVE-2026-41101
    Microsoft Office PowerPoint CVE-2026-41102
    Microsoft SSO Plugin for Jira & Confluence CVE-2026-41103
    Azure Notification Service CVE-2026-41105
    Microsoft Edge (Chromium-based) CVE-2026-41107
    GitHub Copilot and Visual Studio CVE-2026-41109
    Visual Studio Code CVE-2026-41610
    Visual Studio Code CVE-2026-41611
    Visual Studio Code CVE-2026-41612
    Visual Studio Code CVE-2026-41613
    M365 Copilot for Desktop CVE-2026-41614
    Azure Logic Apps CVE-2026-42823
    Windows Telephony Service CVE-2026-42825
    Azure DevOps CVE-2026-42826
    Azure Monitor Agent CVE-2026-42830
    Microsoft Office CVE-2026-42831
    Microsoft Office CVE-2026-42832
    Microsoft Dynamics 365 (on-premises) CVE-2026-42833
    Microsoft Edge (Chromium-based) CVE-2026-42838
    Microsoft Edge (Chromium-based) CVE-2026-42891
    M365 Copilot CVE-2026-42893
    Windows DWM Core Library CVE-2026-42896
    Microsoft Dynamics 365 (on-premises) CVE-2026-42898
    ASP.NET Core CVE-2026-42899
     
    NICK ADSL UK, May 12, 2026 at 2:31 PM
    #1
  2. NICK ADSL UK

    NICK ADSL UK MajorGeeks Forum Administrator Staff Member

    We are republishing 128 non-Microsoft CVEs:
    CNA Tag CVE FAQs? Workarounds? Mitigations?
    AMD AMD CPU Branch CVE-2025-54518 No No No
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7896
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7897
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7898
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7899
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7900
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7901
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7902
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7903
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7904
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7905
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7906
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7907
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7908
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7909
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7910
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7911
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7912
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7913
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7914
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7915
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7916
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7917
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7918
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7919
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7920
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7921
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7922
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7923
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7924
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7925
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7926
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7927
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7928
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7929
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7930
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7931
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7932
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7933
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7934
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7935
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7936
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7937
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7938
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7939
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7940
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7941
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7942
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7943
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7944
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7945
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7946
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7947
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7948
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7949
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7950
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7951
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7952
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7953
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7954
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7955
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7956
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7957
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7958
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7959
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7960
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7961
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7962
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7963
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7964
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7965
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7966
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7967
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7968
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7969
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7970
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7971
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7972
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7973
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7974
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7975
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7976
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7977
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7978
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7979
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7980
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7981
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7982
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7983
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7984
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7985
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7986
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7987
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7988
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7989
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7990
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7991
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7992
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7993
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7994
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7995
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7996
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7997
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7998
    Chrome Microsoft Edge (Chromium-based) CVE-2026-7999
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8000
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8001
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8002
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8003
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8004
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8005
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8006
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8007
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8008
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8009
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8010
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8011
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8012
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8013
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8014
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8015
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8016
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8017
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8018
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8019
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8020
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8021
    Chrome Microsoft Edge (Chromium-based) CVE-2026-8022

    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

      • 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.
      • 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
    5087420 Windows 11, version 23H2
    5087423 Windows Server 2025 Hotpatch
    5087424 Windows Server 2022 Hotpatch
    5087539 Windows Server 2025
    5087541 Windows Server 2022 23H2
    5087544 Windows 10, version 21H2, Windows 10, version 22H2
    5087545 Windows Server 2022

    Released: May 12, 2026

    May 2026 Security Updates - Release Notes - Security Update Guide - Microsoft
     
    NICK ADSL UK, May 12, 2026 at 2:32 PM
    #2
Thread Status:
Not open for further replies.

MajorGeeks.Com Menu

Downloads All In One Tweaks \ Android \ Anti-Malware \ Anti-Virus \ Appearance \ Backup \ Browsers \ CD\DVD\Blu-Ray \ Covert Ops \ Drive Utilities \ Drivers \ Graphics \ Internet Tools \ Multimedia \ Networking \ Office Tools \ PC Games \ System Tools \ Mac/Apple/Ipad Downloads

Other News: Top Downloads \ News (Tech) \ Off Base (Other Websites News) \ Way Off Base (Offbeat Stories and Pics)

Social: Facebook \ YouTube \ Twitter \ Tumblr \ Pintrest \ RSS Feeds