Remote Code Execution Vulnerability in Microsoft SQL Server
CVE-2026-54117

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2025 (cu 6)
Microsoft Sql Server 2025 For X64-based Systems (gdr)
Vendor
CVE Published:
14 July 2026

What is CVE-2026-54117?

A vulnerability in Microsoft SQL Server allows authorized attackers to exploit the deserialization of untrusted data, potentially resulting in remote code execution. This flaw enables attackers to execute arbitrary code over a network, posing significant risks to affected systems. Organizations using vulnerable versions of SQL Server should apply available patches to mitigate this threat.

Affected Version(s)

Microsoft SQL Server 2025 (CU 6) 17.0.4060.2

Microsoft SQL Server 2025 for x64-based Systems (GDR) x64-based Systems 17.0.1050.2 < 17.0.1125.2

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.