Today is the monthly 'Windows Update' day

Monthly distribution of Windows security updates and bug fixes ・ Windows Update was carried out. Let's update as soon as possible.

We have released the security update for July 2021. See the Security Update Guide for more information. https://t.co/U5eJTOOIIC

— Microsoft Security Team (@JSECTEAM) July 13, 2021

July 2021 Security Update (Monthly) – Microsoft Security Response Center
https://msrc-blog.microsoft.com/2021/07/13/202107-security-updates/

◆ Windows 10 v21H1, v20H2, v2004, v1909
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
Windows 10 v21H1, Windows 10 v20H2, Windows 10 v2004: 5004237
Windows 10 v1909: 5004245

◆ Windows Server 2019, Windows Server 2016, Server Core installation (2019, 2016, v20H2, v2004)
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
Windows Server Version 20H2, Windows Server Version 2004: 5004237
Windows Server 2019: 5004244
Windows Server 2016: 5004238

◆ Windows 8.1, Windows Server 2012 R2, Windows Server 2012 (including Internet Explorer 11)
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
Windows 8.1 and Windows Server 2012 R2 Monthly Rollup: 5004298
Windows 8.1 and Windows Server 2012 R2 Security Only: 5004285
Windows Server 2012 Monthly Rollup: 5004294
Windows Server 2012 Security Only: 5004302

◆ Internet Explorer
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
IE Cumulative Update: 5004233

◆ Microsoft Office related software
Maximum severity:
important

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
5001949 , 5001973 , 5001977 , 5001979 , 5001983 , 5001986 , 5001993

◆ Microsoft SharePoint related software
Maximum severity:
important

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
5001975 , 5001976 , 5001981 , 5001984 , 5001992 , 5001996

◆ Microsoft Exchange Server
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
5004778 , 5004779 , 5004780

◆ Power BI Report Server
Maximum severity:
important

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
For more information about Power BI Report Server security updates, see the Security Update Guide. https://msrc.microsoft.com/update-guide

◆ Microsoft Dynamics 365 related software
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
5004715 , 5004716 , 5004717

◆ Microsoft .NET related software
Maximum severity:
important

Most impact:
Elevation of privilege

Related Knowledge Base or Support Web Page:
For more information about security updates for .NET-related software, see the Security Update Guide. https://msrc.microsoft.com/update-guide

◆ Microsoft Visual Studio related software
Maximum severity:
important

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
For more information about security updates for Visual Studio related software, see https://docs.microsoft.com/en-us/visualstudio and the Security Updates Guide. https://msrc.microsoft.com/update-guide

◆ Microsoft Malware Protection Engine
Maximum severity:
emergency

Most impact:
Code is executed remotely

Related Knowledge Base or Support Web Page:
For more information about Microsoft Malware Protection Engine security updates, see the Security Update Guide. https://msrc.microsoft.com/update-guide

The Windows Update will be released on the second Tuesday of every month in US time, and the next update will be available on Wednesday, August 11, 2021 in Japan time.