Tuesday, February 09, 2021

Microsoft February 2021 Security Updates



The Microsoft February 2021 security updates have been released and consist of 56 CVEsOf these 56 CVEs, 11 are rated Critical, 43 are rated Important, and two are rated Moderate in severity.  One bug (CVE-2021-1732) is known to be actively exploited and six other bugs are listed as being publicly known at the time of release. 


The updates apply to the following
productsMicrosoft Windows components, .NET Framework, Azure IoT, Azure Kubernetes Service, Microsoft Edge for Android, Exchange Server, Office and Office Services and Web Apps, Skype for Business and Lync, and Windows Defender.

If you are using Windows Update, the latest SSU will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.  For information about Servicing Stack updates see Servicing Stack Updates (SSU).

The KBs listed below contain information about known issues with the security updates.  

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

 Recommended Reading 

See Dustin Childs review and analysis in Zero Day Initiative -- The February 2021 Security Update Review.

For more information about the updates released today, see the Security Update Guide.

REMINDER:  Adobe Flash Player is out of support.  For more information, see Adobe Flash end of support on December 31, 2020. Flash content is blocked from running in Flash Player today, January 12, 2021. For more information, see Adobe Flash Player EOL General Information Page.

Additional Update Notes:

References


Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...





No comments: