services / Azure / Kubernetes ClusterRoleBindings (AKS Fleet member)

Kubernetes ClusterRoleBinding objects on a member cluster of an AKS Fleet. ClusterRoleBindings grant a ClusterRole's cluster-wide permissions to subjects (users, groups, service accounts).

Cluster-wide RBAC grant objects; writing them is the canonical Kubernetes cluster-admin privilege-escalation primitive, hence CRITICAL asset sensitivity.

Microsoft.​ContainerService/​fleets/​members/​rbac.​authorization.​k8s.​io/​clusterrolebindings/​delete

Deleting ClusterRoleBindings removes cluster-wide RBAC grants, tearing down access-control policy and revoking legitimate admins'/operators' access (denial-of-access).

Risks

1. Policy destruction (CRITICAL)
2. Denial-of-access (EVASION)

Scope: CRITICAL

This privilege may grant access to sensitive data from a significant fraction of organizational functions, allow interruption of critical organizational services, or its exploit could lead to significant privilege escalation.

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