CVE-2026-67380: Microsoft SQL Server Remote Code Execution Vulnerability
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Other sources
Microsoft SQL Server Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must be authorized to access SQL Server and able to reach it over the network. The supplied vector indicates low attack complexity, no user interaction, and no additional privileges beyond the required authorized access.
Which SQL Server releases are listed as affected?
The affected software list includes SQL Server 2017, SQL Server 2019, SQL Server 2022, and SQL Server 2025. It specifically lists SQL Server 2017 CU 31, SQL Server 2019 CU 32, SQL Server 2022 CU 26, and SQL Server 2025 CU8, as well as the corresponding base product entries.
What impact could successful exploitation have?
Successful exploitation allows code execution on the affected SQL Server. The supplied severity vector rates confidentiality, integrity, and availability impact as high.