VDB
CVE-2026-83945
CVE-2026-83945
PUBLISHED
CVSS 6.6 MEDIUM
Reported by microsoft · Published October 13, 2026
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Risk Scores
CVSS 3.1
6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU27) | 16.0.4003.1 |
| Microsoft | Microsoft SQL Server 2025 (CU8) | - |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (CU9) | 17.0.4006.2 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 |
| microsoft | microsoft_sql_server_2022_for_x64-based_systems_\(cu27\) | 16.0.4003.1 |
| microsoft | sql_server_2025 | -, 17.0.1050.2 |
| microsoft | sql_server_2022 | 16.0.0 |
| Microsoft | Microsoft SQL Server 2025 (CU8) | - |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 |
| microsoft | microsoft_sql_server_2025_for_x64-based_systems_\(cu9\) | 17.0.4006.2 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (CU9) | 17.0.4006.2 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU27) | 16.0.4003.1 |
Timeline
- Oct 13, 2026 CVE Published
- Oct 14, 2026 EPSS Score
- Oct 14, 2026 Coalition ESS Score
- Oct 15, 2026 CVE Updated
- Oct 16, 2026 Security Advisory
References
- Microsoft SQL Server Remote Code Execution Vulnerability vendor-advisorypatch