Executive brief
SQL Server is Microsoft's enterprise database system used to store and manage critical business data. An authorized attacker can exploit improper privilege management to gain elevated privileges on the system, potentially allowing them to access or modify sensitive data, disrupt operations, or move laterally within the network.
Technical details
This vulnerability involves improper privilege management in SQL Server, allowing an authenticated attacker to escalate privileges over the network. The attack requires an authorized user account with network access to the SQL Server instance. Successful exploitation enables privilege elevation, potentially granting administrative or system-level access. The vulnerability is classified as high severity with a CVSS score of 8.8, indicating significant impact on confidentiality, integrity, or availability. A security update is available from Microsoft.
Affected products
- Microsoft SQL Server
Timeline
- 2026-09-08: disclosed