Hello,
Thank you for posting in Q&A forum.
To further check this issue, please kindly follow below basic troubleshooting steps:
1.Check if driver is selected well for update.
2.Check if wsus account has proper access to update the driver.
3.Check if wsus server has a working network connection and can execute update for OS version.
Hope this answer can help you well.
Best regards,
Jill Zhou