CVE-2026-54117

Microsoft · Published July 14, 2026

8.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

Microsoft SQL Server Remote Code Execution Vulnerability. Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Affected Products

Microsoft SQL Server 2025 for x64-based Systems (GDR)
Microsoft SQL Server 2025 for x64-based Systems (CU6)

CVSS 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