CVE-2026-62834 describes a critical vulnerability in Microsoft Azure Data Factory involving improper verification of cryptographic signatures. The flaw allows an unauthorized attacker to elevate privileges over a network without requiring prior authentication. The vulnerability is classified as a privilege escalation issue stemming from weak or missing cryptographic signature validation. Microsoft has published an advisory via the Microsoft Security Response Center (MSRC). The vulnerability is tracked by NVD at NIST and carries a high severity rating. Successful exploitation could allow attackers to gain elevated access within Azure Data Factory environments. Organizations using Azure Data Factory should apply available patches or mitigations as soon as possible.
