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CVE-2026-68786

HighCVSS 8.8/10Last modified Sep 15, 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

Affected software

Vendor	Product	Versions
Microsoft	Microsoft SQL Server 2017 (CU 31)	>= 14.0.0, < 14.0.3550.4
Microsoft	Microsoft SQL Server 2017 (GDR)	>= 14.0.0, < 14.0.2130.4
Microsoft	Microsoft SQL Server 2019 (CU 32)	>= 15.0.0.0, < 15.0.4490.9
Microsoft	Microsoft SQL Server 2019 (GDR)	>= 15.0.0, < 15.0.2190.7
Microsoft	Microsoft SQL Server 2022 (CU 26)	>= 16.0.0.0, < 16.0.4275.2
Microsoft	Microsoft SQL Server 2022 (GDR)	>= 16.0.0, < 16.0.1200.5
Microsoft	Microsoft SQL Server 2025 (CU8)	>= 17.0.0.0, < 17.0.4085.5
Microsoft	Microsoft SQL Server 2025 for x64-based Systems (GDR)	>= 17.0.1050.2, < 17.0.1135.8

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68786Vendor Advisory, Patch

Timeline

Published: Sep 8, 2026
Last modified: Sep 15, 2026
NVD status: Analyzed

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CVE-2026-68786: High severity, CVSS 8.8 | Vulnix