CVE-2025-55227: Microsoft SQL Server Elevation of Privilege Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-09 · updated 2026-06-17
Weakness: CWE-77

Description

Improper neutralization of special elements used in a command ('command injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected products

Microsoft Sql Server 2016: from 13.0.6300.2 before 13.0.6470.1; from 13.0.7000.253 before 13.0.7065.1 — fixed in 13.0.6470.1, 13.0.7065.1
Microsoft Sql Server 2017: from 14.0.1000.169 before 14.0.2085.1; from 14.0.3006.16 before 14.0.3505.1 — fixed in 14.0.2085.1, 14.0.3505.1
Microsoft Sql Server 2019: from 15.0.2000.5 before 15.0.2145.1; from 15.0.4003.23 before 15.0.4445.1 — fixed in 15.0.2145.1, 15.0.4445.1
Microsoft Sql Server 2022: from 16.0.1000.6 before 16.0.1150.1; from 16.0.4003.1 before 16.0.4212.1 — fixed in 16.0.1150.1, 16.0.4212.1
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack: from 13.0.0 before 13.0.7065.1 — fixed in 13.0.7065.1
Microsoft SQL Server 2016 Service Pack 3 (GDR): from 13.0.0 before 13.0.6470.1 — fixed in 13.0.6470.1
Microsoft SQL Server 2017 (CU 31): from 14.0.0 before 14.0.3505.1 — fixed in 14.0.3505.1
Microsoft SQL Server 2017 (GDR): from 14.0.0 before 14.0.2085.1 — fixed in 14.0.2085.1
Microsoft SQL Server 2019 (CU 32): from 15.0.0.0 before 15.0.4445.1 — fixed in 15.0.4445.1
Microsoft SQL Server 2019 (GDR): from 15.0.0 before 15.0.2145.1 — fixed in 15.0.2145.1
Microsoft SQL Server 2022 (CU 20): from 16.0.0.0 before 16.0.4212.1 — fixed in 16.0.4212.1
Microsoft SQL Server 2022 (GDR): from 16.0.0 before 16.0.1150.1 — fixed in 16.0.1150.1

How to fix

Upgrade to a fixed version: Microsoft Sql Server 2016 13.0.6470.1, 13.0.7065.1; Microsoft Sql Server 2017 14.0.2085.1, 14.0.3505.1; Microsoft Sql Server 2019 15.0.2145.1, 15.0.4445.1; Microsoft Sql Server 2022 16.0.1150.1, 16.0.4212.1; Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.7065.1; Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.6470.1; Microsoft SQL Server 2017 (CU 31) 14.0.3505.1; Microsoft SQL Server 2017 (GDR) 14.0.2085.1; Microsoft SQL Server 2019 (CU 32) 15.0.4445.1; Microsoft SQL Server 2019 (GDR) 15.0.2145.1; Microsoft SQL Server 2022 (CU 20) 16.0.4212.1; Microsoft SQL Server 2022 (GDR) 16.0.1150.1. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55227

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