Microsoft Edge COptionsCollectionCacheItem::GetAt Out-Of-Bounds Read

There is an out-of-bounds read issue in Microsoft Edge that could potentially be turned into remote code execution. The vulnerability has been confirmed on Microsoft Edge 38.14393.1066.0 (Microsoft EdgeHTML 14.14393) as well as Microsoft Edge 40.15063.0.0 (Microsoft EdgeHTML 15.15063).
Source: Microsoft Edge COptionsCollectionCacheItem::GetAt Out-Of-Bounds Read