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Core Infrastructure and Security Blog
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May 2023 Cumulative Update Explained

hewagen's avatar
hewagen
Icon for Microsoft rankMicrosoft
Jul 05, 2023
Hi all,   Mitigating the Secure Boot UEFI bootkit using the May 2023 cumulative update still causes misunderstandings at some of my customers.  So I wrote this short article to give you an overvi...
Updated Jul 05, 2023
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HelmutWagensonner
JT_Kukkonen's avatar
JT_Kukkonen
Brass Contributor
Jul 11, 2023

Thank you for your blog post. I was wondering how I should proceed, if I want to do in place upgrade from Windows server 2012r2 to Windows Server 2019. I have read that if server 2012r2 has may CU installed, and secure boot enabled and I do in place upgrade using latest available server 2019 media Microsoft provides on VLSC page, which has been updated November 2022, server won't boot after upgrade. Will Microsoft release updated server 2019 installation media sometime in autumn?