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Microsoft Security Response CenterCVE-2026-66813

Microsoft SQL Server Elevation of Privilege Vulnerability

HighVendor CVSS 8.1 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC
Get alerts for Microsoft SQL Server 2017 for x64-based Systems (GDR)

Summary

Out-of-bounds read in SQL Server allows an unauthorized attacker to elevate privileges over a network.

Products covered

  • Microsoft SQL Server 2017 for x64-based Systems (GDR)

  • Microsoft SQL Server 2019 for x64-based Systems (GDR)

  • 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

  • Microsoft SQL Server 2019 for x64-based Systems (CU32)

  • Microsoft SQL Server 2017 for x64-based Systems (CU31)

Remediation

Install KB5132749. Install KB5132751. Install KB5132747. Install KB5132748. Install KB5129300. Install KB5129299. Install KB5132745. Install KB5132746.

Vendor-listed fixes

  • 14.0.2150.2

  • 15.0.2210.4

  • 16.0.1220.3

  • 17.0.1155.3

  • 16.0.4315.2

  • 17.0.5045.3

  • 15.0.4510.2

  • 14.0.3570.2

CVEs in this advisory 1

CVE-2026-66813

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.

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