Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f0/STM32F0x0/NVIC/IPR0#0x0
Interrupt Priority Register 0
PRI_00
PRI_01
PRI_02
PRI_03
https://github.com/modm-io/cmsis-svd-stm32