CVE-2026-21262

HighCVSS 8.8/10Last modified Jul 10, 2026

Description

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

VendorProductVersions
MicrosoftMicrosoft SQL Server 2016 Service Pack 3 (GDR)>= 13.0.0, < 13.0.6480.4
MicrosoftMicrosoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack>= 13.0.0, < 13.0.7075.5
MicrosoftMicrosoft SQL Server 2017 (CU 31)>= 14.0.0, < 14.0.3520.4
MicrosoftMicrosoft SQL Server 2017 (GDR)>= 14.0.0, < 14.0.2100.4
MicrosoftMicrosoft SQL Server 2019 (CU 32)>= 15.0.0.0, < 15.0.4460.4
MicrosoftMicrosoft SQL Server 2019 (GDR)>= 15.0.0, < 15.0.2160.4
MicrosoftMicrosoft SQL Server 2022 (GDR)>= 16.0.0, < 16.0.1170.5
MicrosoftMicrosoft SQL Server 2022 for x64-based Systems (CU 23)>= 16.0.0.0, < 16.0.4240.4
MicrosoftMicrosoft SQL Server 2025 (CU 2)>= 17.0.0.0, < 17.0.4020.2
MicrosoftMicrosoft SQL Server 2025 for x64-based Systems (GDR)>= 17.0.1050.2, < 17.0.1105.2

References

Timeline

Published
Mar 10, 2026
Last modified
Jul 10, 2026
NVD status
Analyzed

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