Type Confusion Vulnerability in Microsoft SQL Server
CVE-2026-54116

6.5MEDIUM

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-2026-54116?

A type confusion vulnerability in Microsoft SQL Server allows an authorized attacker to exploit resource access issues, potentially leading to the disclosure of sensitive information over a network. This flaw arises when the system improperly handles type differences, enabling unauthorized users to gain insights into data that should remain protected.

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:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.