Error : Web Applications using Claims authentication require an update from health analyzer

Question

After installing a sharepoint instance(Sp Server standard 2010 Sp1 and Windows 2008 r2 server) i get some errors being detected by the health analyzer ; Web Applications using Claims authentication require an update

Category security: Explanation Web Applications using Claims authentication are at risk for a potential security vulnerability, which may allow users elevation of privileges. Remedy A security update is required on each server in the farm. For more information about this rule, see "http://go.microsoft.com/fwlink/?LinkID=184705".

it does take be to this update. But i don't know which update to use as i'm on a Windows 2008 r2 server? Any ideas how to fix these errors?

Thanks in Advance

Answer 1

Hi these 2 external article may help you to resolve the issue

1. Web Applications using Claims authentication require an update - TechNet
2. Steps