What is CVE-2026-54117?

CVE-2026-54117 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Microsoft SQL Server Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-54117 cover?

CVE-2026-54117 covers the following CVE IDs: CVE-2026-54117. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-54117?

CVE-2026-54117 has a CVSS v3 base score of 9.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-54117?

CVE-2026-54117 affects 2 products, including: Microsoft SQL Server 2025 for x64-based Systems (CU6); Microsoft SQL Server 2025 for x64-based Systems (GDR).

CVE-2026-54117CriticalCVSS 9.8

Microsoft SQL Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-54117 →

📋 Description

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.

🎯 Affected products2

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

✅ Remediation

KB5102333 (Security Update) — fixed build 17.0.1125.2 KB5101346 (Security Update) — fixed build 17.0.4060.2

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54117
patchhttps://www.microsoft.com/download/details.aspx?familyid=6a71f56f-474c-4c05-a420-f30ae538ebe7
referencehttps://support.microsoft.com/help/5102333
patchhttps://www.microsoft.com/download/details.aspx?familyid=8cbfc62d-9944-42ba-aac6-0c5fa9dae68e
referencehttps://support.microsoft.com/help/5101346