SQL Injection Vulnerability in Microsoft SQL Server
CVE-2025-49759

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2017 (gdr)
Microsoft Sql Server 2019 (gdr)
Microsoft Sql Server 2016 Service Pack 3 (gdr)
Microsoft Sql Server 2016 Service Pack 3 Azure Connect Feature Pack
Vendor
CVE Published:
12 August 2025

What is CVE-2025-49759?

This vulnerability in Microsoft SQL Server pertains to improper handling of special elements in SQL commands, which can lead to SQL injection. An attacker with authorized access can exploit this flaw to gain elevated privileges over a network, potentially leading to unauthorized access to sensitive data or system functions.

Affected Version(s)

Microsoft SQL Server 2016 Service Pack 3 (GDR) x64-based Systems 13.0.0 < 13.0.6465.1

Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack x64-based Systems 13.0.0 < 13.0.7060.1

Microsoft SQL Server 2017 (CU 31) x64-based Systems 14.0.0 < 14.0.3500.1

References

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

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

.