A problem in SharePoint Server 2019 December 2022 CU has been identified which can cause incorrect user information to be displayed in people fields.
Webapplications which host only one site collection should not be affected.
Other SharePoint versions are not affected.
A hotfix has been released which resolves the issue. See below for details.
This is a fix for the language independent part of December CU. The language dependent fix was not affected.
- KB 4461512 – This update fixes an issue in which the Person field shows the wrong user in the different lists between different site collections.
The downloads for December 2022 CU are available through the following links:
- Download the fix for the issue in which the Person field shows the wrong user in the different lists between different site collections.
Important: You can either install the above listed fix on top of December 2022 CU for SharePoint Server 2019 or you can install the above listed fix and skip the language independent fix from December 2022 CU. In any case ensure that the language dependent fix from KB 5002310 is installed as well.