In getCredentialManagerPolicy of DevicePolicyManagerService.java, there is a possible method for users to select credential managers without permission due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/frameworks/base/+/e2e05f488da6abc765a62e7faf10cb74e729732e