# CVE-2026-67390: Microsoft SQL Server Information Disclosure Vulnerability

CVE-2026-67390 is fixed in 8 products on 1 platform, first by KB5122774, released September 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-67390
- Priority: Routine
- CVSS: 6.5 (Important)
- EPSS: 0.0100
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Sep 8, 2026
- Weakness: Buffer Over-read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67390

## Description

<p>Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SQL Server 2017 for x64-based Systems (CU 31) |  | [KB5122774](https://patchblox.com/security/data/fix/microsoft/kb5122774.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2017 for x64-based Systems (GDR) |  | [KB5122775](https://patchblox.com/security/data/fix/microsoft/kb5122775.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (CU 32) |  | [KB5122772](https://patchblox.com/security/data/fix/microsoft/kb5122772.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (GDR) |  | [KB5122773](https://patchblox.com/security/data/fix/microsoft/kb5122773.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU 26) |  | [KB5122768](https://patchblox.com/security/data/fix/microsoft/kb5122768.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (GDR) |  | [KB5122771](https://patchblox.com/security/data/fix/microsoft/kb5122771.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (CU8) |  | [KB5122769](https://patchblox.com/security/data/fix/microsoft/kb5122769.md) | Sep 8, 2026 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) |  | [KB5122770](https://patchblox.com/security/data/fix/microsoft/kb5122770.md) | Sep 8, 2026 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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