Command Injection Vulnerability in Microsoft SQL Server
CVE-2025-55227

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:
9 September 2025

What is CVE-2025-55227?

An improper neutralization of special elements used in commands in Microsoft SQL Server can be exploited by an authorized attacker to elevate their privileges over a network. This vulnerability allows for unauthorized actions that could compromise the integrity and confidentiality of data, highlighting the critical need for organizations to apply timely security patches and harden their installations.

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Affected Version(s)

Microsoft SQL Server 2016 Service Pack 3 (GDR) x64-based Systems 13.0.0 < 13.0.6470.1

Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack x64-based Systems 13.0.0 < 13.0.7065.1

Microsoft SQL Server 2017 (CU 31) x64-based Systems 14.0.0 < 14.0.3505.1

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

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