Microsoft Edge 38.14393.1066.0 - CInputDateTimeScrollerElement::_SelectValueInternal Out-of-Bounds Read

Microsoft Edge 38.14393.1066.0 - CInputDateTimeScrollerElement::SelectValueInternal Out-of-Bounds Read input:focus transform: scale10; UpdateSelectedthis-arrayatoffset0xB8this-indexatoffset0xD4.ptratindex0, ...; ... The problem is that the index in the PoC has unsigned 32-bit value of 0xffffffff,...