CVE-2026-67625: 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
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.0.5015.4Patch KB5126967 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.1210.3Patch KB5128493 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 14.0.3560.2Patch KB5128496 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 14.0.2140.2Patch KB5128497 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.0.2200.2Patch KB5128495 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.4305.5Patch KB5126934 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.0.1145.4Patch KB5128492 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.0.4500.2Patch KB5128494
Event History
Frequently Asked Questions
Which SQL Server deployments should be prioritized for review?
Review Microsoft SQL Server 2017, 2019, 2022, and 2025 deployments. The affected software list specifically includes SQL Server 2017 CU31, SQL Server 2019 CU32, SQL Server 2022 CU27, and SQL Server 2025 CU9.
What does an attacker need to exploit this issue?
An attacker needs network access to the SQL Server instance and authorized access with low privileges. No user interaction is required, but exploitation has high attack complexity.
What could successful exploitation allow?
Successful exploitation can allow code execution on the affected SQL Server. The provided severity data indicates high potential impact to confidentiality, integrity, and availability, including impact beyond the initially vulnerable security scope.