CVE-2026-26115HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-26115 →

📋 Description

Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.

🎯 Affected products10

  • Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)
  • Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack
  • Microsoft SQL Server 2017 for x64-based Systems (CU 31)
  • Microsoft SQL Server 2017 for x64-based Systems (GDR)
  • Microsoft SQL Server 2019 for x64-based Systems (CU 32)
  • Microsoft SQL Server 2019 for x64-based Systems (GDR)
  • Microsoft SQL Server 2022 for x64-based Systems (CU 23)
  • Microsoft SQL Server 2022 for x64-based Systems (GDR)
  • 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 KB5077472 (Security Update) — fixed build 14.0.2100.4 KB5077474 (Security Update) — fixed build 13.0.6480.4 KB5077471 (Security Update) — fixed build 14.0.3520.4 KB5077465 (Security Update) — fixed build 16.0.1170.5 KB5077469 (Security Update) — fixed build 15.0.4460.4 KB5077464 (Security Update) — fixed build 16.0.4240.4 KB5077466 (Security Update) — fixed build 17.0.4020.2 KB5077470 (Security Update) — fixed build 15.0.2160.4 KB5077473 (Monthly Rollup) — fixed build 13.0.7075.5

🔗 References (21)