As confirmed by Video Game Chronicles, Microsoft are currently experiencing shortages of Xbox controllers around the world.
A spokesperson for Microsoft told the outlet:
“We know it may be hard finding Xbox Wireless Controllers right now due to supply disruptions. We’re working as fast as possible with our manufacturing and retail partners to improve this. Please check with your local retailer for availability.”
The company continue to experience supply chain issues and do not believe they will be resolved for the remainder of the year.