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Microsoft Security Response CenterCVE-2026-94513

Microsoft SQL Server Elevation of Privilege Vulnerability

HighVendor CVSS 8.0 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

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

Products covered

  • Microsoft SQL Server 2022 for x64-based Systems (GDR)

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

  • Microsoft SQL Server 2022 for x64-based Systems (CU27)

  • Microsoft SQL Server 2025 for x64-based Systems CU10

Remediation

Install KB5132747. Install KB5132748. Install KB5129300. Install KB5129299.

Vendor-listed fixes

  • 16.0.1220.3

  • 17.0.1155.3

  • 16.0.4315.2

  • 17.0.5045.3

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.