CVE-2026-67374

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft SQL Server 2017 (GDR)>= 14.0.0, < 14.0.2150.2
MicrosoftMicrosoft SQL Server 2017 for x64-based Systems (CU31)>= 14.0.3006.16, < 14.0.3570.2
MicrosoftMicrosoft SQL Server 2019 (GDR)>= 15.0.0, < 15.0.2210.4
MicrosoftMicrosoft SQL Server 2019 for x64-based Systems (CU32)>= 15.0.4003.23, < 15.0.4510.2
MicrosoftMicrosoft SQL Server 2022 (GDR)>= 16.0.0, < 16.0.1220.3
MicrosoftMicrosoft SQL Server 2022 for x64-based Systems (CU27)>= 16.0.4003.1, < 16.0.4315.2
MicrosoftMicrosoft SQL Server 2025 CU10>= 17.0.4006.0, < 17.0.5045.3
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)>= 17.0.1050.2, < 17.0.1155.3

References

Timeline

Published
Nov 10, 2026
Last modified
Nov 10, 2026
NVD status
Awaiting Analysis

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CVE-2026-67374: High severity, CVSS 8.8 | Vulnix