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9.8 Critical

CVE-2026-54118 Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network

Description

Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code 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 → < 13.0.6500.1 13.0.6500.1
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0 13.0.0 → < 13.0.7095.1 13.0.7095.1
Microsoft SQL Server 2017 (CU 31) 14.0 14.0.0 → < 14.0.3540.1 14.0.3540.1
Microsoft SQL Server 2017 (GDR) 14.0 14.0.0 → < 14.0.2120.1 14.0.2120.1
Microsoft SQL Server 2019 (CU 32) 15.0 15.0.0.0 → < 15.0.4480.2 15.0.4480.2
Microsoft SQL Server 2019 (GDR) 15.0 15.0.0 → < 15.0.2180.2 15.0.2180.2
Microsoft SQL Server 2022 (GDR) 16.0 16.0.0 → < 16.0.1190.2 16.0.1190.2
Microsoft SQL Server 2022 for x64-based Systems (CU 25) 16.0 16.0.4260.1 → < 16.0.4262.2 16.0.4262.2
Microsoft SQL Server 2025 (CU 6) 17.0 earliest → < 17.0.4060.2 17.0.4060.2
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Product Affected versions Fixed in
Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0 17.0.1050.2 → < 17.0.1125.2 17.0.1125.2

References

Timeline

  1. Published
  2. Last modified

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