CVE-2016-3367
StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operations, which allows remote attackers to execute arbitrary code via a crafted web site, aka "Microsoft Silverlight Memory Corruption Vulnerability."
Date published : 2016-09-14
http://www.securityfocus.com/bid/92837
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-109