SQL Injection Vulnerability in Microsoft SQL Server
CVE-2025-59499

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:
11 November 2025

What is CVE-2025-59499?

A vulnerability exists in Microsoft SQL Server due to improper neutralization of special elements used in an SQL command. An authorized attacker can exploit this flaw to execute unauthorized SQL commands, potentially allowing them to elevate their privileges over a network. This could lead to unauthorized access to sensitive data and systems.

Affected Version(s)

Microsoft SQL Server 2016 Service Pack 3 (GDR) x64-based Systems 13.0.0 < 13.0.6475.1

Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack x64-based Systems 13.0.0 < 13.0.7070.1

Microsoft SQL Server 2017 (CU 31) x64-based Systems 14.0.0 < 14.0.3515.1

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

JSON
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CVE-2025-59499 : SQL Injection Vulnerability in Microsoft SQL Server