KB5031364 is a security update for Azure Stack HCI version 22H2. It also includes quality improvements and security fixes, such as the addition of optional Azure Arc settings, an issue that affects scheduled tasks, and an issue that affects Kerberos delegation. https://support.microsoft.com/en-us/topic/october-10-2023-security-update-kb5031364-b827b04b-e11e-4295-b898-042df4b5053b
KB5031361 (OS Build 17763.4974) is a security update for Windows 10, version 1809, Windows Server version 1809, and Windows Server 2019. It includes quality improvements and security fixes, such as support for daylight saving time changes in Greenland, addresses issues that affect LDAP queries and authentication, and addresses issues that prevent authentication to Remote Desktop Services farms when RC4 is disabled. https://support.microsoft.com/en-us/topic/october-10-2023-kb5031361-os-build-17763-4974-766593db-b47a-4b18-a698-906426860313
These updates have not been officially withdrawn by Microsoft or warned of any serious issues. So, if you want to install these updates, you can get them through Windows Update or the Microsoft Update Catalog. However, before installing any updates, I recommend that you back up your data and verify the compatibility and stability of the updates in a test environment.
Hope it helps.