CVE-2026-65816 is a vulnerability in Microsoft Azure Arc involving the use of an incorrectly-resolved name or reference. The flaw allows an unauthorized attacker to elevate privileges over a network without requiring prior authentication. This type of vulnerability is categorized under improper name/reference resolution, which can be exploited remotely. The affected product is Azure Arc, Microsoft's hybrid and multi-cloud management platform. The vulnerability has been assigned a high severity rating. Microsoft has published an advisory via the Microsoft Security Response Center (MSRC). No additional technical details or proof-of-concept information are currently available in the article. Organizations using Azure Arc should monitor for patches and apply mitigations as soon as they become available.
