services / Azure / Kubernetes ClusterRoleBindings

A ClusterRoleBinding is a cluster-scoped Kubernetes RBAC object that binds a subject (user, group, or service account) to a ClusterRole, granting that subject the role's permissions across the entire cluster.

ClusterRoleBindings are the core cluster-wide access-control bindings of Kubernetes (the analog of Azure roleAssignments); they can confer cluster-admin, so the asset is cluster-wide identity and access-control data.

Microsoft.​ContainerService/​aiManagers/​rbac.​authorization.​k8s.​io/​clusterrolebindings/​delete

Deleting a ClusterRoleBinding destroys a cluster-wide access-control binding, stripping legitimate principals (including defenders) of their access while tearing down grants that would otherwise constrain the attacker.

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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