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8.8 High

CVE-2026-21262 Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network

Description

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

Affected products and versions

Product Affected versions Fixed in
Microsoft SQL Server 2016 Service Pack 3 (GDR) 13.0 13.0.0 → < 13.0.6480.4 13.0.6480.4
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0 13.0.0 → < 13.0.7075.5 13.0.7075.5
Microsoft SQL Server 2017 (CU 31) 14.0 14.0.0 → < 14.0.3520.4 14.0.3520.4
Microsoft SQL Server 2017 (GDR) 14.0 14.0.0 → < 14.0.2100.4 14.0.2100.4
Microsoft SQL Server 2019 (CU 32) 15.0 15.0.0.0 → < 15.0.4460.4 15.0.4460.4
Microsoft SQL Server 2019 (GDR) 15.0 15.0.0 → < 15.0.2160.4 15.0.2160.4
Microsoft SQL Server 2022 (GDR) 16.0 16.0.0 → < 16.0.1170.5 16.0.1170.5
Microsoft SQL Server 2022 for x64-based Systems (CU 23) 16.0 16.0.0.0 → < 16.0.4240.4 16.0.4240.4
Microsoft SQL Server 2025 (CU 2) 17.0 17.0.0.0 → < 17.0.4020.2 17.0.4020.2
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Product Affected versions Fixed in
Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0 17.0.1050.2 → < 17.0.1105.2 17.0.1105.2

References

Timeline

  1. Published
  2. Last modified

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