[GAMEPLAY?] Corrupt Cursor on Vertical Monitor

I play League of Legends with multiple monitors, one of the monitors is vertical and in portrait mode. Whenever I get into a game and my Windows 8.1 default mouse cursor changes to the League of Legends hand, on only the vertical monitor there is a little bit of the League hand that stays attached to the windows default cursor. Like a corrupted version of the bottom of the hand. I wasn't able to take a screenshot as the cursor won't show on one. The vertical monitors resolution is 1080x1920, with my other monitors being 1920x1080. It doesn't happen on them however, like i said only the vertical monitor. If the game ends and I close league the corrupted cursor stays and will not go away unless I reset my screens resolution/default cursor, restart my computer, or put it to sleep and then wake it. I'm running League on highest settings with no frame cap, vsync disabled, and in borderless windowed mode. Does this happen to anyone else or is it just me? I don't know anyone else I could ask that is in the exact situation as me to test.