critical9.8
CVE-2026-67643
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Impact
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Sql Server 2022 | before 16.0.1200.5 from 16.0.4003.1 before 16.0.4275.2 |
| Microsoft | Sql Server 2025 | before 17.0.1135.8 from 17.0.4006.2 before 17.0.4085.5 |