🟠 High | Source: Microsoft Security Response Center
A vulnerability in Azure SQL Database allows an unauthenticated attacker to elevate their privileges over a network without requiring any user interaction. The flaw stems from improper authentication handling, meaning an attacker could potentially gain higher-level access to database resources than intended. This is particularly concerning given the widespread use of Azure SQL Database for storing sensitive business and customer data.
Security Architect’s Take: Review your Azure SQL Database instances for any unusual access patterns immediately and ensure network-level controls such as firewall rules and private endpoints are restricting exposure to trusted networks only. Monitor Microsoft’s update guide for patch availability and apply any service-side mitigations as soon as they are released.
Original advisory: CVE-2026-56162 Azure SQL Database Elevation of Privilege Vulnerability