critical9.8
CVE-2026-54117
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Impact
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Sql Server 2016 | from 13.0.6300.2 before 13.0.6500.1 from 13.0.7000.253 before 13.0.7095.1 |
| Microsoft | Sql Server 2017 | from 14.0.1000.169 before 14.0.2120.1 from 14.0.3006.16 before 14.0.3540.1 |
| Microsoft | Sql Server 2019 | from 15.0.2000.5 before 15.0.2180.2 from 15.0.4003.23 before 15.0.4480.2 |
| Microsoft | Sql Server 2022 | from 16.0.1000.6 before 16.0.1190.2 from 16.0.4003.1 before 16.0.4262.2 |
| Microsoft | Sql Server 2025 | from 17.0.1000.7 before 17.0.1125.2 from 17.0.4006.2 before 17.0.4060.2 |
| Microsoft | Microsoft SQL Server 2025 (CU 6) | from 17.0.4060.2 before 17.0.4060.2 |
| Microsoft | Microsoft SQL Server 2025 For X64-Based Systems (GDR) | from 17.0.1050.2 before 17.0.1125.2 |