Executive brief
Microsoft Azure Synapse, a data analytics service used for enterprise data warehousing and big data processing, contains a critical security flaw. An authorized user on the network can exploit this vulnerability to gain higher-level permissions than they should have. This could allow an attacker to access sensitive corporate data, modify analytics pipelines, or disrupt critical business intelligence operations.
Technical details
A privilege escalation vulnerability exists in Microsoft Azure Synapse due to the execution of processes with unnecessary privileges (CWE-250). An attacker with low-privileged credentials can exploit this flaw over the network without any user interaction. Successful exploitation allows the attacker to escape their restricted environment and gain elevated permissions, potentially impacting the entire cloud environment (Scope: Changed). This vulnerability is rated critical with a CVSS score of 9.9, indicating a high impact on confidentiality, integrity, and availability. As a cloud-hosted service, Microsoft typically manages the deployment of fixes directly.
Affected products
- Microsoft Azure Synapse Analytics All versions
Timeline
- 2026-06-19: disclosed
- 2026-06-19: advisory: Microsoft published the security advisory.