KLA10737
Code execution vulnerability in Microsoft Silverlight

Improper strings handling was found in Microsoft Silverlight. By exploiting this vulnerability malicious users can execute arbitrary code. This vulnerability can be exploited remotely via a specially designed web content.

Technical details

This vulnerability can be triggered while Silverlight decodes strings using a malicious decoder that can return negative offsets that cause Silverlight to replace unsafe object headers with contents provided by an attacker.

Microsoft Silverlight 5

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)