CVE-2026-67636: Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability
Other sources
Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must be authorized on the affected SQL Server instance and able to reach it over the network. The provided data does not indicate that unauthenticated attackers can exploit it.
What level of impact could successful exploitation have?
Successful exploitation may allow remote code execution. The severity vector indicates high potential impact to confidentiality, integrity, and availability, with impacts extending beyond the initially affected security scope.
Which SQL Server releases are listed as affected?
The listed software includes Microsoft SQL Server 2019, SQL Server 2022, and SQL Server 2025, including SQL Server 2019 CU32, SQL Server 2022 CU26, and SQL Server 2025 CU8.
Does exploitation require user interaction?
No. The severity vector specifies UI:N, indicating no user interaction is required once an attacker has the necessary authorization and network access.