8.8
High
CVE-2026-67638 Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network
Description
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft SQL Server 2025 (CU8) 17.0 | 17.0.0.0 → < 17.0.4085.5 | 17.0.4085.5 |
| Microsoft SQL Server 2025 for x64-based Systems (GDR) 17.0 | 17.0.1050.2 → < 17.0.1135.8 | 17.0.1135.8 |
References
- Microsoft SQL Server Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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