What is CVE-2026-26116?

CVE-2026-26116 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. SQL Server Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-26116 cover?

CVE-2026-26116 covers the following CVE IDs: CVE-2026-26116. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-26116?

CVE-2026-26116 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-26116?

CVE-2026-26116 affects 2 products, including: Microsoft SQL Server 2025 for x64-based Systems (CU2); Microsoft SQL Server 2025 for x64-based Systems (GDR).

CVE-2026-26116HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-26116 →

📋 Description

Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.

🎯 Affected products2

Microsoft SQL Server 2025 for x64-based Systems (CU2)
Microsoft SQL Server 2025 for x64-based Systems (GDR)

✅ Remediation

KB5077468 (Security Update) — fixed build 17.0.1105.2 KB5077466 (Security Update) — fixed build 17.0.4020.2

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26116
patchhttps://www.microsoft.com/download/details.aspx?id=108589
referencehttps://support.microsoft.com/help/5077468
patchhttps://www.microsoft.com/download/details.aspx?id=108588
referencehttps://support.microsoft.com/help/5077466