Microsoft’s October 2021 security updates have passed Citrix testing (the updates are listed below). The testing is not all-inclusive; all tests are executed against English only environments and issues may still be found upon implementation. Follow best practices for testing and installing software updates/patches in a development environment before implementing the updates in a production environment.

• XenApp/XenDesktop 7.15 CU8
• Virtual Apps and Desktops 7 1912 CU3
• Virtual Apps and Desktops 7 2109

Where applicable, the above Citrix products were tested with below updates.

Product	KB Article
Windows 11 v21H2 (original release)	5006674
Windows 10 v2004 (May 2020 Update) / 20H2 (October 2020 Update) / 21H1 (May 2021 Update)	5006670
Windows 10 v1903 (May 2019 Update) / v1909	5006667
Windows Server 2019	5006672
Windows Server 2016	5006669
Windows Server 2022	5006699
Windows Server 2012 R2	5006714, 5006729
Windows 7	5006743, 5006728
Office	5001985, 5001982, 5002043, 5002030, 5001960, 5002004

Note: Patches for Operating Systems (E.g. Windows Vista, Server 2008, Server 2012, Windows 10 v1507 etc) and products (E.g. Office Web Apps, Online Server, SharePoint, Dynamics 365 etc) that are not listed above were not validated.

Visit the Microsoft Security Response Center (MSRC) page to view Microsoft security updates.
 

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Microsoft’s October 2021 security updates have passed Citrix testing (the updates are listed below). The testing is not all-inclusive; all tests are executed against English only environments and issues may still be found upon implementation. Follow best practices for testing and installing software updates/patches in a development environment before implementing the updates in a production environment. • XenApp/XenDesktop 7.15 CU8 • Virtual Apps and Desktops 7 1912 CU3 • Virtual Apps and Desktops 7 2109

Citrix Interoperability Validation