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MC394275: Take action: Out-of-band security update to address an issue with Azure Active Directory services on Arm-based devices

By: Author Alex Lim

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Home > MC394275: Take action: Out-of-band security update to address an issue with Azure Active Directory services on Arm-based devices

Microsoft is releasing Out-of-band (OOB) security updates today, June 20, 2022, only for Arm-based Windows devices. This update addresses a known issue that only affects Windows Arm-based devices and might prevent you from signing in using Azure Active Directory (AAD). Apps and services that use AAD to sign in, such as VPN connections, Microsoft Teams, and Microsoft Outlook, might also be affected.

MC394275: Take action: Out-of-band security update to address an issue with Azure Active Directory services on Arm-based devicesImportant: This issue only affects Windows devices that use Arm processors. No other platforms will receive this out-of-band update. This OOB update is cumulative. We recommend that you install this OOB update instead of the June 14, 2022 security update for affected devices.

All updates listed below are available on Windows Update, Windows Update for Business, Windows Server Update Services (WSUS), and Microsoft Update Catalog. For instructions, see the release notes for your OS listed below:

Message ID: MC394275
Published: 21 June 2022
Updated: 22 June 2022
Action required by: 20 June 2022
Platform: Windows Desktop, World tenant

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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