🟠 High | Source: Microsoft Security Response Center
A vulnerability in Azure SQL Managed Instance allows an unauthenticated attacker to gain elevated privileges over a network by exploiting improper restrictions on communication channels. This means an attacker could potentially access or control resources beyond their intended permissions without needing prior authentication. The network-based attack vector makes this particularly concerning for organisations with internet-exposed or multi-tenant SQL Managed Instance deployments.
Security Architect’s Take: Review network access controls for Azure SQL Managed Instance endpoints immediately, ensuring private endpoints and network security groups are enforced to limit exposure. Monitor Microsoft’s MSRC advisory for a patch or mitigation guidance and apply any available updates as a priority given the unauthenticated, network-exploitable nature of this flaw.
Original advisory: CVE-2026-62836 Azure SQL Managed Instance Elevation of Privilege Vulnerability