Name: CVE-2026-67638: Heap-based Buffer Overflow
Creator: Rapid7
Published: 2026-09-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-67638, CWE-122, CVSS 8.8, EPSS 0.00913

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

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 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)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Sql_server	—	Update Microsoft SQL Server 2025 to the latest version in the CU8 update channelUpdate Microsoft SQL Server 2025 to the latest version in the GDR update channel	Sep 8, 2026	Sep 8, 2026

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CVSS Details

Covered by Rapid7

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