RCE in Microsoft Sql Server 2016 Service Pack 3 Azure Connect Feature
CVE-2025-55227
Improper neutralization of special elements used in a command ('command injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.002 (40.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Sql Server 2016 Service Pack 3 Azure Connect Feature — versions 13.0.0
- Microsoft Sql Server 2016 Service Pack 3 (Gdr) — versions 13.0.0
- Microsoft Sql Server 2017 (Cu 31) — versions 14.0.0
- Microsoft Sql Server 2017 (Gdr) — versions 14.0.0
- Microsoft Sql Server 2019 (Cu 32) — versions 15.0.0.0
- Microsoft Sql Server 2019 (Gdr) — versions 15.0.0
- Microsoft Sql Server 2022 (Cu 20) — versions 16.0.0.0
- Microsoft Sql Server 2022 (Gdr) — versions 16.0.0
Weakness classification (CWE)
References
- Microsoft SQL Server Elevation of Privilege Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2025-55227?
- CVE-2025-55227 is a high-severity vulnerability in Microsoft Sql Server 2016 Service Pack 3 Azure Connect Feature, classified under Command Injection. CVSS score: 8.8/10. Published 2025-09-09.
- How severe is CVE-2025-55227?
- High severity. CVSS v3 base score is 8.8 out of 10.