Executive brief
SQL Server is a widely-deployed database management system used by enterprises to store and manage critical business data. A heap-based buffer overflow vulnerability allows an authorized attacker to execute arbitrary code on the affected server over the network, potentially leading to data theft, corruption, or service disruption.
Technical details
A heap-based buffer overflow exists in Microsoft SQL Server that can be exploited by an authenticated attacker to execute arbitrary code with the privileges of the SQL Server process. The vulnerability is triggered via a network-accessible component and requires valid credentials to exploit. Successful exploitation allows remote code execution on the affected system. Microsoft has released security updates to address this vulnerability.
Affected products
- Microsoft SQL Server <UNKNOWN>
Timeline
- 2026-09-08: disclosed