CVE-2015-2504 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft NET Framework

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, and 4.6 improperly counts objects before performing an array copy, which allows remote attackers to (1) execute arbitrary code via a crafted XAML browser application (XBAP) or (2) bypass Code Access Security restrictions via a crafted .NET Framework application, aka ".NET Elevation of Privilege Vulnerability."