An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Yes. Based on the Microsoft CVE applicability data and the OS build in that AKS image, AKSWindows-2022-containerd-20348.5622.260909 should not be vulnerable to CVE-2020-0646.
CVE-2020-0646 is a .NET framework vulnerability which was patched back in 2020 itself and primarily affected Windows 2016 and older OS images: https://support.microsoft.com/en-us/servicing/dotnetframework/windows-10/1809/2020/01/january-14-2020-kb4535101-cumulative-update-for-net-framework-3-5-4-7-2-and-4-8-for-windows-10-versi
This remediation is natively integrated into the base Windows 2022 image.