Executive brief
Azure Arc is Microsoft's platform for managing hybrid and multi-cloud environments. A flaw in name resolution allows an attacker with network access to bypass authorization controls and gain elevated privileges across connected resources, potentially compromising the entire hybrid infrastructure managed by that Arc instance.
Technical details
The vulnerability involves incorrect resolution of names or references within Azure Arc's authentication or authorization logic (CWE-706 class). An attacker with network access to the Arc control plane or connected resources can exploit this flaw to bypass authorization checks and elevate their privileges without prior authentication. The defect likely affects the identity resolution or role-based access control (RBAC) enforcement mechanism. No patch availability information is available from the provided advisory references.
Affected products
- Microsoft Azure Arc <UNKNOWN>
Timeline
- 2026-08-20: disclosed