It's an arrow pointing straight up and angled to the right. The direction that could also be used to describe this arrow is much like you would see if looking at a compass and it pointed to a north east direction.
This is the Up Right icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.