Vulnerability · Published May 12, 2026 · Assigned by microsoft

CVE-2026-40370SQL Server Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity security flaw in Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 53.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0.0 – before 13.0.6490.1
Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.0 – before 13.0.7085.1
Microsoft Microsoft SQL Server 2017 (CU 31) 14.0.0 – before 14.0.3530.2
Microsoft Microsoft SQL Server 2017 (GDR) 14.0.0 – before 14.0.2110.2
Microsoft Microsoft SQL Server 2019 (CU 32) 15.0.0.0 – before 15.0.4470.1
Microsoft Microsoft SQL Server 2019 (GDR) 15.0.0 – before 15.0.2170.1
Microsoft Microsoft SQL Server 2022 (GDR) 16.0.0 – before 16.0.1180.1
Microsoft Microsoft SQL Server 2022 for x64-based Systems (CU 24) 16.0.0.0 – before 16.0.4252.3
Microsoft Microsoft SQL Server 2025 (CU 4) 17.0.4040.1 – before 17.0.4040.1
Microsoft Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0.1050.2 – before 17.0.1115.1

Weakness: CWE-73 · 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

References