CVE-2015-6166
Microsoft Silverlight 5 before 5.1.41105.00 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read or write access) via unspecified open and close requests, aka "Microsoft Silverlight RCE Vulnerability."
Date published : 2015-12-09
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-129