Vulnerabilities in Microsoft SharePoint Could Allow Elevation of Privilege - Microsoft Security Bulletin MS12-011
This security update resolves three privately reported vulnerabilities in Microsoft SharePoint and Microsoft SharePoint Foundation. These vulnerabilities could allow elevation of privilege or information disclosure if a user clicked a specially crafted URL. This security update is rated Important for Microsoft Office SharePoint Server 2010 and Microsoft SharePoint Foundation 2010.
https://technet.microsoft.com/en-us/security/bulletin/ms12-011