CVE-2025-21299: Windows Kerberos Security Feature Bypass Vulnerability

Are there any additional steps that I need to follow to be protected from this vulnerability?

The changes to address this vulnerability updated Virtual Secure Mode components. The policy described in Guidance for blocking rollback of Virtualization-based Security (VBS) related security updates has been updated to account for the latest changes. If you deployed this policy, then you’ll need to redeploy using the updated policy.