Junglewise Threat Intelligence

CVE-2026-65669: Microsoft SQL Server SQL injection privilege escalation

CVE-2026-65669 · Severity: critical · CVSS 9.6 · Published 2026-09-08

Technologies: Microsoft SQL Server. Vendors: Microsoft.

Executive brief

Microsoft SQL Server is a database platform used by organizations to store and manage critical business data. A SQL injection vulnerability in SQL Server allows a network attacker to execute arbitrary SQL commands and elevate their privileges, potentially gaining unauthorized access to sensitive data or taking control of the database.

Technical details

This vulnerability is a SQL injection flaw resulting from improper neutralization of special elements in output used by a downstream component. An attacker on the network can craft malicious input that is inadequately sanitized, allowing them to inject arbitrary SQL code. Successful exploitation permits privilege escalation and remote code execution without prior authentication. Microsoft has released security updates to address this vulnerability.

Affected products

  • Microsoft SQL Server

Timeline

  • 2026-09-08: disclosed

References

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