Overly permissive applications may lead to lateral movement and unauthorised access.
At this time, the console UI does not have remediation steps available. For possible CLI remediation, see the product documentation (below) or use Terraform.
In Terraform -
References:
https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-methods
https://registry.terraform.io/providers/hashicorp/azuread/latest/docs/resources/application#oauth2_permission_scope