Patch Tuesday Updates: March 2026

Patch Tuesday Updates: March 2026

Good day, everyone!

Here's a list of the updates released in this month's Patch Tuesday.

New OS Security Updates:
  • 43565 - 2026-03 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5078774) (ESU)
  • 43566 - 2026-03 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5078775) (ESU)
  • 43567 - 2026-03 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 for x64-based systems (KB5078738) (ESU)
  • 43568 - 2026-03 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 R2 for x64-based systems (KB5078738) (ESU)
  • 43569 - 2026-03 Servicing Stack Update for Windows Server 2012 R2 for x64-based Systems (KB5079233) (ESU)
  • 43570 - 2026-03 Servicing Stack Update for Windows Server 2012 for x64-based Systems (KB5079234) (ESU)
  • 43571 - 2026-03 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5078766)
  • 43572 - 2026-03 Cumulative Update for Microsoft server operating system version 23H2 for x64-based Systems (KB5078734)
  • 43573 - 2026-03 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5078740) (26100.32522)
  • 43574 - 2026-03 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5078938)
  • 43575 - 2026-03 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5078938)
  • 43576 - 2026-03 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5078938)
  • 43577 - 2026-03 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5078752)
  • 43578 - 2026-03 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5078752)
  • 43579 - 2026-03 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5078752)
  • 43580 - 2026-03 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5078885)
  • 43581 - 2026-03 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5078885) (ESU)
  • 43582 - 2026-03 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5078885)
  • 43583 - 2026-03 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5078885) (ESU)
  • 43584 - 2026-03 Cumulative Update for Windows 11 Version 23H2 for arm64-based Systems (KB5078883)
  • 43585 - 2026-03 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5078883)
  • 43586 - 2026-03 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5079473) (26200.8037)
  • 43587 - 2026-03 Cumulative Update for Windows 11 Version 24H2 for arm64-based Systems (KB5079473) (26100.8037)
  • 43588 - 2026-03 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5079473) (26200.8037)
  • 43589 - 2026-03 Cumulative Update for Windows 11 Version 24H2 for x64-based Systems (KB5079473) (26100.8037)
  • 43590 - 2026-03 Cumulative Update for Windows 11, Version 26H1 for arm64-based Systems (KB5079466) (28000.1719)
  • 43591 - 2026-03 Cumulative Update for Windows 11, Version 26H1 for x64-based Systems (KB5079466) (28000.1719)
  • 43592 - Update for .NET Hosting (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43593 - Update for AspNet Core (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43594 - Update for AspNet Core (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43595 - Update for .NET Desktop Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43596 - Update for .NET Desktop Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43597 - Update for .NET Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43598 - Update for .NET Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
  • 43599 - Update for .NET SDK (x64) (10.0.200) (KB5081276) (CVE-2026-26127)
  • 43600 - Update for .NET SDK (x86) (10.0.200) (KB5081276) (CVE-2026-26127)
  • 43601 - Update for .NET SDK (x64) (10.0.104) (KB5081276) (CVE-2026-26127)
  • 43602 - Update for .NET SDK (x86) (10.0.104) (KB5081276) (CVE-2026-26127)
  • 43603 - Update for .NET Hosting (8.0.25) (KB5081277)
  • 43604 - Update for AspNet Core (x64) (8.0.25) (KB5081277)
  • 43605 - Update for AspNet Core (x86) (8.0.25) (KB5081277)
  • 43606 - Update for .NET Desktop Runtime (x64) (8.0.25) (KB5081277)
  • 43607 - Update for .NET Desktop Runtime (x86) (8.0.25) (KB5081277)
  • 43608 - Update for .NET Runtime (x64) (8.0.25) (KB5081277)
  • 43609 - Update for .NET Runtime (x86) (8.0.25) (KB5081277)
  • 43610 - Update for .NET SDK (x64) (8.0.419) (KB5081277)
  • 43611 - Update for .NET SDK (x86) (8.0.419) (KB5081277)
  • 43612 - Update for .NET SDK (x64) (8.0.125) (KB5081277)
  • 43613 - Update for .NET SDK (x86) (8.0.125) (KB5081277)
  • 43614 - Update for .NET Hosting (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43615 - Update for AspNet Core (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43616 - Update for AspNet Core (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43617 - Update for .NET Desktop Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43618 - Update for .NET Desktop Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43619 - Update for .NET Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43620 - Update for .NET Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
  • 43621 - Update for .NET SDK (x64) (9.0.312) (KB5081278) (CVE-2026-26127)
  • 43622 - Update for .NET SDK (x86) (9.0.312) (KB5081278) (CVE-2026-26127)
  • 43623 - Update for .NET SDK (x64) (9.0.115) (KB5081278) (CVE-2026-26127)
  • 43624 - Update for .NET SDK (x86) (9.0.115) (KB5081278) (CVE-2026-26127)
New Security Updates:
  1. 43626 - Update for Microsoft 365 Apps for Business Current Channel for x64 2602 of version(19725.20172)
  2. 43628 - Update for Microsoft 365 Apps for Business Current Channel for x86 2602 of version(19725.20172)
  3. 43630 - Update for Microsoft 365 Apps for Enterprise Current Channel for x64 2602 of version(19725.20172)
  4. 43632 - Update for Microsoft 365 Apps for Enterprise Current Channel for x86 2602 of version(19725.20172)
  5. 43634 - Update for Microsoft 365 Apps for Monthly Enterprise Channel for x64 2602 of version(19725.20170)
  6. 43636 - Update for Microsoft 365 Apps for Monthly Enterprise Channel for x86 version 2602 (19725.20170)
  7. 43638 - Update for Microsoft 365 Apps for Business Monthly Enterprise Channel for x64 2602 of version(19725.20170)
  8. 43640 - Update for Microsoft 365 Apps for Business Monthly Enterprise Channel for x86 version 2602 (19725.20170)
  9. 43642 - Update for Microsoft 365 Apps for Business Semi Annual Channel for x64 2508 of version(19127.20570)
  10. 43644 - Update for Microsoft 365 Apps for Business Semi Annual Channel for x86 2508 of version(19127.20570)
  11. 43646 - Update for Microsoft 365 Apps for Enterprise Semi Annual Channel for x64 2508 of version(19127.20570)
  12. 43648 - Update for Microsoft 365 Apps for Enterprise Semi Annual Channel for x86 2508 of version(19127.20570)
  13. 43650 - Update for Office 2019 for x64 1808 of volume version(10417.20108)
  14. 43652 - Update for Office 2019 for x86 1808 of volume version(10417.20108)
  15. 43654 - Update for Office 2021 for x64 2108 of volume version(14334.20570)
  16. 43656 - Update for Office 2021 for x86 2108 of volume version(14334.20570)
  17. 43658 - Update for Office 2021 for x64 2602 of Retail Version(19725.20172)
  18. 43660 - Update for Office 2021 for x86 2602 of Retail Version(19725.20172)
  19. 43662 - Update for Office 2024 for x64 2408 of volume version(17932.20700)
  20. 43664 - Update for Office 2024 for x86 2408 of volume version(17932.20700)
  21. 43666 - Update for Office 2024 for x86 2602 of Retail Version(19725.20172)
  22. 43668 - Update for Office 2024 for x64 2602 of Retail Version(19725.20172)
  23. 43669 - Security Update for Microsoft Office 2016 (KB5002838) 64-Bit Edition
  24. 43670 - Security Update for Microsoft Office 2016 (KB5002838) 32-Bit Edition
  25. 43671 - Security Update for Microsoft Excel 2016 (KB5002849) 64-Bit Edition
  26. 43672 - Security Update for Microsoft Excel 2016 (KB5002849) 32-Bit Edition
  27. 43673 - Security Update for Microsoft Office Online Server (KB5002846) farm-deployment
  28. 43674 - Security Update for Microsoft Office 2016 (KB5002718) 32-Bit Edition
  29. 43675 - Security Update for Microsoft Office 2016 (KB5002718) 64-Bit Edition
  30. 43676 - Security Update for Microsoft SharePoint Server Subscription Edition (KB5002843) farm-deployment
  31. 43677 - Security Update for Microsoft SharePoint Server 2019 Core (KB5002845) farm-deployment
  32. 43678 - Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002850) farm-deployment
  33. 43679 - Security Update for Microsoft Word 2016 (KB5002848) 64-Bit Edition
  34. 43680 - Security Update for Microsoft Word 2016 (KB5002848) 32-Bit Edition
  35. 43681 - Security Update for Microsoft SharePoint Server 2019 Language Pack (KB5002847) farm-deployment
  36. 43682 - Security Update for Microsoft SharePoint Enterprise Server 2016 (KB5002851) farm-deployment
  37. 43683 - Update for Microsoft Visual Studio Community 2022 (17.14.28) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  38. 43684 - Update for Microsoft Visual Studio Enterprise 2022 (17.14.28) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  39. 43685 - Update for Microsoft Visual Studio Professional 2022 (17.14.28) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  40. 43686 - Update for Microsoft Visual Studio Community 2019 (16.11.54) (Online Installer) (Manual Upload Required) (CVE-2025-66413)
  41. 43687 - Update for Microsoft Visual Studio Enterprise 2022 (17.14.28) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  42. 43688 - Update for Microsoft Visual Studio Community 2026 (18.3.3) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  43. 43689 - Update for Microsoft Visual Studio Enterprise 2026 (18.3.3) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  44. 43690 - Update for Microsoft Visual Studio Professional 2026 (18.3.3) (Online Installer) (CVE-2026-26130) (CVE-2026-26131) (CVE-2025-66413)
  45. 43691 - Security Update for SQL Server 2016 SP3 Azure Connect Feature Pack (KB5077473)
  46. 43692 - Security Update for SQL Server 2016 SP3 (KB5077474)
  47. 43693 - Security Update for SQL Server 2017 RTM (KB5077472)
  48. 43694 - Security Update for SQL Server 2017 RTM CU (KB5077471)
  49. 43695 - Security Update for SQL Server 2019 RTM (KB5077470)
  50. 43696 - Security Update for SQL Server 2019 RTM CU (KB5077469)
  51. 43697 - Security Update for SQL Server 2022 RTM (KB5077465)
  52. 43698 - Security Update for SQL Server 2022 RTM CU (KB5077464)
  53. 43699 - Security Update for SQL Server 2025 RTM (KB5077468)
  54. 43700 - Security Update for SQL Server 2025 RTM CU (KB5077466)
  55. 43701 - Update for Microsoft Visual Studio Enterprise 2019 (16.11.54) (Online Installer) (Manual Upload Required) (CVE-2025-66413)
  56. 43702 - Update for Microsoft Visual Studio Professional 2019 (16.11.54) (Online Installer) (Manual Upload Required) (CVE-2025-66413)
  57. 43703 - Update for Microsoft Visual Studio Community 2019 (16.11.54) (Online Installer) (Manual Upload Required) (CVE-2025-66413)
Non-Security Updates:
  1. 113081 - Update for Microsoft Visual Studio Community 2026 (18.4.0) (Online Installer)
  2. 113082 - Update for Microsoft Visual Studio Enterprise 2026 (18.4.0) (Online Installer)
  3. 113083 - Update for Microsoft Visual Studio Professional 2026 (18.4.0) (Online Installer)
Third-Party Updates:
  1. 356869 - Google Chrome (146.0.7680.71,146.0.7680.72)
  2. 356870 - Google Chrome (x64) (146.0.7680.71,146.0.7680.72)
MAC Updates:
  1. 613850 - 1Password for MAC (8.12.6)
  2. 613851 - Adobe Acrobat Reader DC for MAC (25.001.21288)
  3. 613852 - Adobe Acrobat DC for MAC (25.001.21288)
  4. 613853 - Akiflow for Mac (2.68.5)
  5. 613854 - AltTab for Mac 10.6.0
  6. 613855 - Ditto For Mac (1.11.9)
  7. 613856 - Element for Mac (1.12.12)
  8. 613857 - GitHub Desktop for Mac (Intel) (3.5.6)
  9. 613858 - GitHub Desktop for Mac (Apple Silicon) (3.5.6)
  10. 613859 - Google Chrome for Mac (146.0.7680.71,146.0.7680.72)
  11. 613860 - iTerm2 for MAC (3.6.9)
  12. 613861 - KeePassXC for MAC (Intel) 2.7.12
  13. 613862 - KeePassXC for MAC (Apple Silicon) 2.7.12
  14. 613863 - Keybase for Mac (Intel) (6.6.0)
  15. 613864 - Keybase for Mac (Apple Silicon) (6.6.0)
  16. 613865 - Microsoft Word for Mac (16.107.0)
  17. 613866 - Microsoft Excel for Mac (16.107.0)
  18. 613867 - Microsoft PowerPoint for Mac (16.107.0)
  19. 613868 - Microsoft Outlook for Mac (16.107.0)
  20. 613869 - Microsoft OneNote for Mac (16.107.0)
  21. 613870 - Mozilla Firefox For Mac (148.0.2)
  22. 613871 - NetBird for Mac (Intel) (0.66.3)
  23. 613872 - NetBird for Mac (Apple Silicon) (0.66.3)
  24. 613873 - Opera For Mac 128.0.5807.66
  25. 613874 - Presono for Mac (3.24.1)
  26. 613875 - Pritunl for MAC (1.3.4562.57)
Supported Zero-day CVE: 2

CVE-2026-26127 - .NET Denial of Service Vulnerability

patchidbulletiniddescription
43592MS26-DOTNETUpdate for .NET Hosting (10.0.4) (KB5081276) (CVE-2026-26127)
43593MS26-DOTNETUpdate for AspNet Core (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
43594MS26-DOTNETUpdate for AspNet Core (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
43595MS26-DOTNETUpdate for .NET Desktop Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
43596MS26-DOTNETUpdate for .NET Desktop Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
43597MS26-DOTNETUpdate for .NET Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
43598MS26-DOTNETUpdate for .NET Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
43599MS26-DOTNETUpdate for .NET SDK (x64) (10.0.200) (KB5081276) (CVE-2026-26127)
43600MS26-DOTNETUpdate for .NET SDK (x86) (10.0.200) (KB5081276) (CVE-2026-26127)
43601MS26-DOTNETUpdate for .NET SDK (x64) (10.0.104) (KB5081276) (CVE-2026-26127)
43602MS26-DOTNETUpdate for .NET SDK (x86) (10.0.104) (KB5081276) (CVE-2026-26127)
43614MS26-DOTNETUpdate for .NET Hosting (9.0.14) (KB5081278) (CVE-2026-26127)
43615MS26-DOTNETUpdate for AspNet Core (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
43616MS26-DOTNETUpdate for AspNet Core (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
43617MS26-DOTNETUpdate for .NET Desktop Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
43618MS26-DOTNETUpdate for .NET Desktop Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
43619MS26-DOTNETUpdate for .NET Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
43620MS26-DOTNETUpdate for .NET Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
43621MS26-DOTNETUpdate for .NET SDK (x64) (9.0.312) (KB5081278) (CVE-2026-26127)
43622MS26-DOTNETUpdate for .NET SDK (x86) (9.0.312) (KB5081278) (CVE-2026-26127)
43623MS26-DOTNETUpdate for .NET SDK (x64) (9.0.115) (KB5081278) (CVE-2026-26127)
43624MS26-DOTNETUpdate for .NET SDK (x86) (9.0.115) (KB5081278) (CVE-2026-26127)

CVE-2026-21262 - SQL Server Elevation of Privilege Vulnerability 

patchidbulletiniddescription
43691MS26-MAR9Security Update for SQL Server 2016 SP3 Azure Connect Feature Pack (KB5077473)
43692MS26-MAR9Security Update for SQL Server 2016 SP3 (KB5077474)
43693MS26-MAR9Security Update for SQL Server 2017 RTM (KB5077472)
43694MS26-MAR9Security Update for SQL Server 2017 RTM CU (KB5077471)
43695MS26-MAR9Security Update for SQL Server 2019 RTM (KB5077470)
43696MS26-MAR9Security Update for SQL Server 2019 RTM CU (KB5077469)
43697MS26-MAR9Security Update for SQL Server 2022 RTM (KB5077465)
43698MS26-MAR9Security Update for SQL Server 2022 RTM CU (KB5077464)
43699MS26-MAR9Security Update for SQL Server 2025 RTM (KB5077468)
43700MS26-MAR9Security Update for SQL Server 2025 RTM CU (KB5077466)

Cheers,
The ManageEngine Team



        New to M365 Manager Plus?
        New to M365 Manager Plus?
          New to RecoveryManager Plus?
          New to RecoveryManager Plus?
            New to Exchange Reporter Plus?
            New to Exchange Reporter Plus?
              New to SharePoint Manager Plus?
              New to SharePoint Manager Plus?
                See all integrations
                New to ADManager Plus?
                See all integrations
                New to ADManager Plus?

                  New to ADSelfService Plus?

                  Start your free trial
                  Start your free trial

                        Related Products