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High8.8Microsoft Server

High [CVE-2026-40370] SQL Server Remote Code Execution Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-40370 affecting Microsoft SQL Server 2016 Service Pack 3 (GDR), Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack, Microsoft SQL Server 2017 (CU 31).

CVE-2026-40370 Published May 12, 2026Updated by vendor Aug 10, 2026
CVE-2026-40370
Affected products & platforms
Microsoft ServerSQL Server
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Summary

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

Affected products named by the advisory: Microsoft SQL Server 2016 Service Pack 3 (GDR); Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack; Microsoft SQL Server 2017 (CU 31); Microsoft SQL Server 2017 (GDR); and 6 more.

Affected products named by the advisory: Microsoft SQL Server 2019 (CU 32); Microsoft SQL Server 2019 (GDR); Microsoft SQL Server 2022 (GDR); Microsoft SQL Server 2022 for x64-based Systems (CU 24); and 2 more.

Affected products named by the advisory: Microsoft SQL Server 2025 (CU 4); Microsoft SQL Server 2025 for x64-based Systems (GDR).

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

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 13.0.6490.1
  • 13.0.7085.1
  • 14.0.3530.2
  • 14.0.2110.2
  • 15.0.4470.1
  • 15.0.2170.1
  • 16.0.1180.1
  • 16.0.4252.3
  • 17.0.4040.1
  • 17.0.1115.1

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 13.0.6490.1, 13.0.7085.1, 14.0.3530.2, 14.0.2110.2, 15.0.4470.1, 15.0.2170.1. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

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