Windows 10: Microsoft Windows Security Updates April 2021 overview

Microsoft released security and non-security updates for supported versions of Microsoft Windows and other company products such as Office on the April 2021 Patch Tuesday.

Our guide provides administrators and home users with information on the released updates. It links to all support pages, lists known issues and direct patch downloads, and lists all security and non-security update releases of the day.

Click here to open the March 2021 Patch Day overview in case you missed it or want to revisit it.

The Microsoft Windows Security Updates: April 2021


Click on the following link to download an Excel spreadsheet with the released security updates: Security-updates-windows-april-2021

Executive Summary

• Security updates are available for all supported versions of Windows (client and server).
• Microsoft released security updates for other company products including Azure, Microsoft Edge, Exchange Server, Microsoft Office, Visual Studio and Visual Studio Code, and Windows Media Player.
• If you manage Exchange Servers, check out this blog post on the April 2021 security updates.
• Several updates have known issues, including those for Windows 7 and 8.1, various Windows 10 versions, Windows Server versions, and Microsoft Exchange Server.
• Windows 10 version 1909 for Home customers runs out of support after the May 2021 Patch Day.

Operating System Distribution

• Windows 7 (extended support only): 50 vulnerabilities: 14 critical and 36 important
  • CVE-2021-27095 -- Windows Media Video Decoder Remote Code Execution Vulnerability
  • CVE-2021-28315 -- Windows Media Video Decoder Remote Code Execution Vulnerability
  • CVE-2021-28329 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28330 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28331 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28332 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28333 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
    CVE-2021-28334 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28335 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28336 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28337 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28338 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28339 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28343 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
• Windows 8.1: 5 5vulnerabilities: 14 critical and 41 important
  • same as Windows 7
• Windows 10 version 1903 and 1909: 77 vulnerabilities: 14 critical and 62 important and 1 moderate
  • same as Windows 7
• Windows 10 version 2004 and 20H2: 79 vulnerabilities, 14 critical and 64 important and 1 moderate
  • same as Windows 7

Windows Server products

• Windows Server 2008 R2 (extended support only): 47 vulnerabilities: 14 critical and 33 important
  • CVE-2021-27095 -- Windows Media Video Decoder Remote Code Execution Vulnerability
  • CVE-2021-28315 -- Windows Media Video Decoder Remote Code Execution Vulnerability
  • CVE-2021-28329 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28330 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28331 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28332 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28333 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
    CVE-2021-28334 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28335 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28336 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28337 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28338 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28339 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
  • CVE-2021-28343 -- Remote Procedure Call Runtime Remote Code Execution Vulnerability
• Windows Server 2012 R2: 55 vulnerabilities: 14 critical and 41 important
  • same as Windows Sever 2008 R2
• Windows Server 2016: 63 vulnerabilities: 14 critical and 49 important.
  • same as Windows Sever 2008 R2
• Windows Server 2019: 77 vulnerabilities: 14 critical and 62 important and 1 moderate
  • same as Windows Sever 2008 R2

Windows Security Updates


Windows 7 SP1 and Windows Server 2008 R2

• Monthly Rollup: KB5001335
• Security-only:KB5001392

Updates and improvements:

• Time Zone change for Volgograd, Russia and The Republic of South Sudan.
• Removed support for the RemoteFX vGPU feature. Microsoft suggests to use secure vGPU alternatives. (Monthly Rollup only)
• Addressed an issue that prevents users from specifying up to 255 columns when using the Jet Text installable indexed sequential access method (IISAM) format. (Monthly Rollup only)
• Fixed a Windows Backup Event ID reporting issue. (Monthly Rollup only)
• Fixed security issues.

Windows 8.1 and Windows Server 2012 R2

• Monthly Rollup: KB5001382
• Security-only: KB5001393

Updates and improvements:

• Time Zone change for Volgograd, Russia and The Republic of South Sudan.
• Fixed security issues.
• Removed support for the RemoteFX vGPU feature. Microsoft suggests to use secure vGPU alternatives. (Monthly Rollup only)
• Addressed an issue that prevents users from specifying up to 255 columns when using the Jet Text installable indexed sequential access method (IISAM) format. (Monthly Rollup only)

Windows 10 version 1909

• Support Page: KB5001337

Updates and improvements:

• Fixed a "potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing". See Policy CSP Authentication for more information.
• Fixed an issue in "which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC)".
• Removed support for the RemoteFX vGPU feature. Microsoft suggests to use secure vGPU alternatives. (Monthly Rollup only)
• Security updates.

Windows 10 version 2004 and 20H2

• Support Page: KB5001330

Updates and improvements:

• same as Windows 10 version 1909

Other security updates

2021-04 Cumulative Update for Windows 10 Version 1507 (KB5001340)

2021-04 Cumulative Update for Windows 10 Version 1803 (KB5001339)

2021-04 Cumulative Update for Windows 10 Version 1809 (KB5001342)

2021-04 Security Only Quality Update for Windows Server 2008 (KB5001332)

2021-04 Security Monthly Quality Rollup for Windows Server 2008 (KB5001389)

2021-04 Security Only Quality Update for Windows Embedded 8 Standard and Windows Server 2012 (KB5001383)

2021-04 Security Monthly Quality Rollup for Windows Embedded 8 Standard and Windows Server 2012 (KB5001387)

2021-04 Cumulative Update for Windows Server 2016 and Windows 10 Version 1607 (KB5001347)

Known Issues


Windows 7 and Windows Server 2008 R2

• Updates may be reverted if the machine is not supported for ESU.
• Some operations may fail on Cluster Shared Volumes. Workaround available.

Windows 8.1 and Windows Server 2012 R2

• Some operations may fail on Cluster Shared Volumes. Workaround available.

Windows 10 version 1909

• System and user certificates may be lost when updating to a newer version of Windows. Workaround available, Microsoft is working on a solution.

Windows 10 version 2004 and 20H2

• System and user certificates may be lost when updating to a newer version of Windows. Workaround available, Microsoft is working on a solution.
• Issue with the Microsoft Japanese Input Method Editor and Kanji / Furigana characters.
• Some devices, created using custom offline media or ISO images, may have Edge Legacy removed but not replaced by the new Edge. Microsoft has a workaround for this.

Security advisories and updates


ADV 990001 -- Latest Servicing Stack Updates

Non-security related updates


2021-04 Update for Windows 8.1, Windows Server 2012 R2, Windows Embedded 8 Standard, Windows Server 2012, Windows 7, Windows Server 2008 R2, and Windows Server 2008 (KB4601275)

Windows Malicious Software Removal Tool - v5.88 (KB890830)

Microsoft Office Updates


You find Office update information here.

How to download and install the April 2021 security updates




Security updates are installed automatically on most Windows devices thanks to the built-in automatic updating functionality. Administrators may run manual checks for updates to download and install updates early, or download updates directly from the Microsoft Update Catalog website or by using first-party or third-party update management tools and services.

Note: we recommend to create backups before the installation of updates, as updates may have issues.

Windows administrators may run the following steps to check for updates manually on Windows devices:

1. Select Start, type Windows Update and load the Windows Update item that is displayed.
2. Select check for updates to run a manual check for updates.

Direct update downloads


Below are resource pages with direct download links, if you prefer to download the updates to install them manually.

Windows 7 and Server 2008 R2

• KB5001335 -- 2021-04 Security Monthly Quality Rollup for Windows 7
• KB5001392 -- 2021-04 Security Only Quality Update for Windows 7

Windows 8.1 and Windows Server 2012 R2

• KB5001382 -- 2021-04 Security Monthly Quality Rollup for Windows 8.1
• KB5001393 -- 2021-04 Security Only Quality Update for Windows 8.1

Windows 10 (version 1909)

• KB5001337 -- 2021-04 Cumulative Update for Windows 10 Version 1909

Windows 10 (version 2004)

• KB5001330 -- 2021-04 Cumulative Update for Windows 10 Version 2004

Windows 10 (version 20H2)

• KB5001330 -- 2021-04 Cumulative Update for Windows 10 Version 20H2

Additional resources

• April 2021 Security Updates release notes
• List of software updates for Microsoft products
• List of the latest Windows Updates and Services Packs
• Security Updates Guide
• Microsoft Update Catalog site
• Our in-depth Windows update guide
• How to install optional updates on Windows 10
• Windows 10 Update History
• Windows 8.1 Update History
• Windows 7 Update History

Thank you for being a Ghacks reader. The post Microsoft Windows Security Updates April 2021 overview appeared first on gHacks Technology News.

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Microsoft January 2021 Security Updates

January 2021 Security Updates




The January 2021 security release consists of security updates for the following software:

• Microsoft Windows
• Microsoft Edge (EdgeHTML-based)
• Microsoft Office and Microsoft Office Services and Web Apps
• Microsoft Windows Codecs Library
• Visual Studio
• SQL Server
• Microsoft Malware Protection Engine
• .NET Core
• .NET Repository
• ASP .NET
• Azure

Please note the following information regarding the security updates:

• CVE-2020-0689 has been re-released. For further information see Security update for Secure Boot DBX: January 12, 2021.
• For information regarding enabling Windows 10, version 1909 features, please see Windows 10, version 1909 delivery options. Note that Windows 10, versions 1903 and 1909 share a common core operating system with an identical set of system files. They will also share the same security update KBs.
• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, 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 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.
• Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
• In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
• Customers running Windows 7, 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.

The following CVEs have FAQs with additional information. Please note that this is not a complete list of CVEs for this release.

• CVE-2020-26870
• CVE-2021-1636
• CVE-2021-1637
• CVE-2021-1643
• CVE-2021-1644
• CVE-2021-1645
• CVE-2021-1647
• CVE-2021-1648
• CVE-2021-1656
• CVE-2021-1663
• CVE-2021-1669
• CVE-2021-1670
• CVE-2021-1672
• CVE-2021-1676
• CVE-2021-1677
• CVE-2021-1694
• CVE-2021-1696
• CVE-2021-1699
• CVE-2021-1707
• CVE-2021-1708
• CVE-2021-1711
• CVE-2021-1713
• CVE-2021-1714
• CVE-2021-1715
• CVE-2021-1716
• CVE-2021-1725

Known Issues


The following KBs contain information about known issues with the security updates. For a complete list of security update KBs, please see 20210112. 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
4598229 Windows 10, Version 1903, Windows Server, Version 1903, Windows 10, Version 1909, Windows Server, Version 1909
4598230 Windows 10, Version 1809, Windows Server 2019
4598242 Windows 10, Version 2004, Windows Server, Version 2004, Windows 10, Version 20H2, Windows Server, Version 20H2
4598275 Windows 8.1, Windows Server 2012 R2 (Security-only update)
4598278 Windows Server 2012 (Monthly Rollup)
4598279 Windows 7, Windows Server 2008 R2 (Monthly Rollup)
4598285 Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
4598287 Windows Server 2008 (Security-only update)
4598288 Windows Server 2008 (Monthly Rollup)
4598289 Windows 7, Windows Server 2008 R2 (Security-only update)
4598297 Windows Server 2012 (Security-only update)


January 2021 Security Updates - Release Notes - Security Update Guide - Microsoft

 

Microsoft March 2021 Security Updates

March 2021 Security Updates

Updates this Month

This release consists of security updates for the following products, features and roles.

• Application Virtualization
• Azure
• Azure DevOps
• Azure Sphere
• Internet Explorer
• Microsoft ActiveX
• Microsoft Exchange Server
• Microsoft Edge (Chromium-based)
• Microsoft Graphics Component
• Microsoft Office
• Microsoft Office Excel
• Microsoft Office PowerPoint
• Microsoft Office SharePoint
• Microsoft Office Visio
• Microsoft Windows Codecs Library
• Power BI
• Role: DNS Server
• Role: Hyper-V
• Visual Studio
• Visual Studio Code
• Windows Admin Center
• Windows Container Execution Agent
• Windows DirectX
• Windows Error Reporting
• Windows Event Tracing
• Windows Extensible Firmware Interface
• Windows Folder Redirection
• Windows Installer
• Windows Media
• Windows Overlay Filter
• Windows Print Spooler Components
• Windows Projected File System Filter Driver
• Windows Registry
• Windows Remote Access API
• Windows Storage Spaces Controller
• Windows Update Assistant
• Windows Update Stack
• Windows UPnP Device Host
• Windows User Profile Service
• Windows WalletService
• Windows Win32K

Relevant Information

• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, 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 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 7, 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.

Please see the following for more information on the Microsoft Exchange Server Vulnerabilities:

• MSRC Blog
• Hafnium Targeting Exchange
• Microsoft on the Issues
• Exchange Team Blog
• March 8 Exchange Team Blog
• Microsoft Exchange Server Vulnerabilities Mitigations

FAQs, Mitigations, and Workarounds

The following CVEs have FAQs, Mitigations, or Workarounds. You can see these in more detail from the Vulnerabilities tab by selecting FAQs, Mitigations and Workarounds columns in the Edit Columns panel.

• CVE-2021-1640
• CVE-2021-24089
• CVE-2021-24104
• CVE-2021-24107
• CVE-2021-24108
• CVE-2021-24110
• CVE-2021-26411
• CVE-2021-26855
• CVE-2021-26857
• CVE-2021-26858
• CVE-2021-26859
• CVE-2021-26867
• CVE-2021-26869
• CVE-2021-26877
• CVE-2021-26884
• CVE-2021-26887
• CVE-2021-26893
• CVE-2021-26894
• CVE-2021-26895
• CVE-2021-26896
• CVE-2021-26897
• CVE-2021-26902
• CVE-2021-27047
• CVE-2021-27048
• CVE-2021-27049
• CVE-2021-27050
• CVE-2021-27051
• CVE-2021-27052
• CVE-2021-27054
• CVE-2021-27055
• CVE-2021-27056
• CVE-2021-27057
• CVE-2021-27058
• CVE-2021-27059
• CVE-2021-27061
• CVE-2021-27062
• CVE-2021-27063
• CVE-2021-27065
• CVE-2021-27067
• CVE-2021-27074
• CVE-2021-27075
• CVE-2021-27076
• CVE-2021-27080
• CVE-2021-27082

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).
[table][tr]KB Article Applies To [/tr] [tr][td]5000802[/td] [td]Windows 10, Version 2004, Windows Server, Version 2004[/td] [/tr] [tr][td]5000803[/td] [td]Windows 10, Version 1607, Windows Server 2016[/td] [/tr] [tr][td]5000808[/td] [td]Windows 10, Version 1909, Windows Server, Version 1909[/td] [/tr] [tr][td]5000822[/td] [td]Windows 10, Version 1809, Windows Server 2019[/td] [/tr] [tr][td]5000840[/td] [td]Windows Server 2012 (Security-only update)[/td] [/tr] [tr][td]5000841[/td] [td]Windows 7, Windows Server 2008 R2 (Monthly Rollup)[/td] [/tr] [tr][td]5000844[/td] [td]Windows Server 2008 (Monthly Rollup)[/td] [/tr] [tr][td]5000847[/td] [td]Windows Server 2012 (Monthly Rollup)[/td] [/tr] [tr][td]5000848[/td] [td]Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Monthly Rollup)[/td] [/tr] [tr][td]5000851[/td] [td]Windows 7, Windows Server 2008 R2 (Security-only update)[/td] [/tr] [tr][td]5000853[/td] [td]Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Security-only update)[/td] [/tr] [tr][td]5000856[/td] [td]Windows Server 2008 (Security-only update)[/td] [/tr] [tr][td]5000871[/td] [td]Microsoft Exchange Server 2019, 2016 and 2013[/td] [/tr] [tr][td]5000978[/td] [td]Microsoft Exchange Server 2010[/td] [/tr] [/table]

Released: Mar 9, 2021


March 2021 Security Updates - Release Notes - Security Update Guide - Microsoft

 

Microsoft February 2021 Security Updates

February 2021 Security Updates
Updates this Month

This release consists of security updates for the following products, features and roles.

• .NET Core
• .NET Framework
• Azure IoT
• Developer Tools
• Microsoft Azure Kubernetes Service
• Microsoft Dynamics
• Microsoft Edge for Android
• Microsoft Exchange Server
• Microsoft Graphics Component
• Microsoft Office Excel
• Microsoft Office SharePoint
• Microsoft Windows Codecs Library
• Role: DNS Server
• Role: Hyper-V
• Role: Windows Fax Service
• Skype for Business
• SysInternals
• System Center
• Visual Studio
• Windows Address Book
• Windows Backup Engine
• Windows Console Driver
• Windows Defender
• Windows DirectX
• Windows Event Tracing
• Windows Installer
• Windows Kernel
• Windows Mobile Device Management
• Windows Network File System
• Windows PFX Encryption
• Windows PKU2U
• Windows PowerShell
• Windows Print Spooler Components
• Windows Remote Procedure Call
• Windows TCP/IP
• Windows Trust Verification API

Relevant Information

• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, 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 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 7, 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.

FAQs, Mitigations, and Workarounds
The following CVEs have FAQs, Mitigations, or Workarounds. You can see these in more detail from the Vulnerabilities tab by selecting FAQs, Mitigations and Workarounds columns in the Edit Columns panel.

• CVE-2021-1722
• CVE-2021-1726
• CVE-2021-1728
• CVE-2021-1730
• CVE-2021-1731
• CVE-2021-1733
• CVE-2021-1734
• CVE-2021-24066
• CVE-2021-24067
• CVE-2021-24068
• CVE-2021-24069
• CVE-2021-24070
• CVE-2021-24071
• CVE-2021-24074
• CVE-2021-24076
• CVE-2021-24077
• CVE-2021-24078
• CVE-2021-24079
• CVE-2021-24084
• CVE-2021-24085
• CVE-2021-24086
• CVE-2021-24087
• CVE-2021-24092
• CVE-2021-24093
• CVE-2021-24094
• CVE-2021-24098
• CVE-2021-24100
• CVE-2021-24101
• CVE-2021-24105
• CVE-2021-24106
• CVE-2021-24109
• CVE-2021-24112
• CVE-2021-24114
• CVE-2021-25195
• CVE-2021-26700
• CVE-2021-26701

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
4493194 SharePoint Server 2019
4493195 SharePoint Enterprise Server 2016
4493210 SharePoint Foundation 2013
4493223 SharePoint Foundation 2010
4571787 Exchange Server 2019
4600944 Security and Quality Rollup for .NET Framework 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1
4600945 Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 7 SP1 and Windows Server 2008 R2 SP1 and Windows Server 2008 SP2
4600957 Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012
4601048 Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 8.1, RT 8.1, and Windows Server 2012 R2
4601050 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2
4601051 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server, version 2016
4601052 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703
4601054 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803
4601055 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019
4601056 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1909, and Windows Server, version 1909
4601057 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012
4601058 Security and Quality Rollup for .NET Framework 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2
4601060 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server, version 2019
4601315 Windows 10, Version 1909, Windows Server, Version 1909
4601318 Windows 10, Version 1607, Windows Server 2016
4601319 Windows 10, version 2004
4601345 Windows 10, Version 1809, Windows Server 2019
4601347 Windows 7, Windows Server 2008 R2 (Monthly Rollup)
4601348 Windows Server 2012 (Monthly Rollup)
4601349 Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Security-only update)
4601357 Windows Server 2012 (Security-only update)
4601360 Windows Server 2008 (Monthly Rollup)
4601363 Windows 7, Windows Server 2008 R2 (Security-only update)
4601366 Windows Server 2008 (Security-only update)
4601384 Windows 8.1, Windows RT 8.1, Windows Server 2012 R2 (Monthly Rollup)
4601887 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019
4602269 Exchange Server 2019, Exchange Server 2016
4603002 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1
4603003 Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012
4603004 Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2
4603005 Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.5.2, 4.6 for Windows Server 2008 SP2



https://msrc.microsoft.com/update-gu...eNote/2021-Feb