The Elder Scrolls V: Skyrim has been updated to version 1.6.353 today by Bethesda. You can find out the complete patch notes from here.
This minor patch is related to an issue that could crash the game. It was related to a specific condition enter entering Kolbjorn Barrow and could lead to the game crashing on both Steam and Microsoft Store. The new patch today should have resolved it now.
Skyrim Update 1.6.353 Patch Notes
- Fixed an issue causing PC players (Steam and Microsoft Store) to crash when entering Kolbjorn Barrow and the Dawnstar Museum.