medium6.6
CVE-2026-83945
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Impact
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2022 For X64-Based Systems (CU27) | from 16.0.4003.1 before 16.0.4305.5 |
| Microsoft | Microsoft SQL Server 2025 For X64-Based Systems (CU9) | from 17.0.4006.2 before 17.0.5015.4 |
| Microsoft | Microsoft SQL Server 2025 For X64-Based Systems (GDR) | from 17.0.1050.2 before 17.0.1145.4 |
| Microsoft | Microsoft SQL Server 2022 (GDR) | from 16.0.0 before 16.0.1210.3 |