Technical Information

Brief overview of the risk:
This security update resolves multiple privately reported vulnerabilities in Microsoft Office server software. These vulnerabilities could allow remote code execution if an authenticated attacker sends specially crafted page content to a SharePoint server. An attacker who successfully exploited these vulnerabilities could run arbitrary code in the security context of the W3WP service account on the target SharePoint site.
Detailed Information on the risk:

Remote code execution vulnerabilities exist in Microsoft SharePoint Server. An authenticated attacker who successfully exploited these vulnerabilities could run arbitrary code in the security context of the W3WP service account.

Further information on this exploit is available at : MS13-100