# KB5126934: October 2026 security update

KB5126934, released October 13, 2026, fixes 21 CVEs in Microsoft SQL Server 2022 for x64-based Systems (CU27). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb5126934
- Platform: Microsoft
- Released: Oct 13, 2026
- Priority: High (Closes CVE-2026-65674, high severity)
- CVEs: 21, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5126934

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft SQL Server 2022 for x64-based Systems (CU27)](https://patchblox.com/security/data/product/microsoft/microsoft-sql-server-2022-for-x64-based-systems-cu27.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-65674](https://patchblox.com/security/data/cve/CVE-2026-65674.md) | High | SQL Server | 8.8 | 0.0162 |  |
| [CVE-2026-85888](https://patchblox.com/security/data/cve/CVE-2026-85888.md) | High | SQL Server | 7.7 | 0.0080 |  |
| [CVE-2026-88081](https://patchblox.com/security/data/cve/CVE-2026-88081.md) | High | SQL Server | 7.7 | 0.0080 |  |
| [CVE-2026-94512](https://patchblox.com/security/data/cve/CVE-2026-94512.md) | High | SQL Server | 8.8 | 0.0065 |  |
| [CVE-2026-96956](https://patchblox.com/security/data/cve/CVE-2026-96956.md) | High | SQL Server | 8.0 | 0.0059 |  |
| [CVE-2026-67625](https://patchblox.com/security/data/cve/CVE-2026-67625.md) | High | SQL Server | 8.5 | 0.0056 |  |
| [CVE-2026-68883](https://patchblox.com/security/data/cve/CVE-2026-68883.md) | High | SQL Server | 8.5 | 0.0056 |  |
| [CVE-2026-88083](https://patchblox.com/security/data/cve/CVE-2026-88083.md) | High | SQL Server | 7.5 | 0.0049 |  |
| [CVE-2026-85886](https://patchblox.com/security/data/cve/CVE-2026-85886.md) | High | SQL Server | 8.5 | 0.0041 |  |
| [CVE-2026-85919](https://patchblox.com/security/data/cve/CVE-2026-85919.md) | High | SQL Server | 7.0 | 0.0023 |  |
| [CVE-2026-88082](https://patchblox.com/security/data/cve/CVE-2026-88082.md) | High | SQL Server | 7.0 | 0.0023 |  |
| [CVE-2026-88088](https://patchblox.com/security/data/cve/CVE-2026-88088.md) | High | SQL Server | 7.0 | 0.0023 |  |
| [CVE-2026-85876](https://patchblox.com/security/data/cve/CVE-2026-85876.md) | High | SQL Server | 7.0 | 0.0019 |  |
| [CVE-2026-67626](https://patchblox.com/security/data/cve/CVE-2026-67626.md) | Routine | SQL Server | 6.5 | 0.0088 |  |
| [CVE-2026-94520](https://patchblox.com/security/data/cve/CVE-2026-94520.md) | Routine | SQL Server | 4.9 | 0.0084 |  |
| [CVE-2026-67628](https://patchblox.com/security/data/cve/CVE-2026-67628.md) | Routine | SQL Server | 4.9 | 0.0080 |  |
| [CVE-2026-83945](https://patchblox.com/security/data/cve/CVE-2026-83945.md) | Routine | SQL Server | 6.6 | 0.0055 |  |
| [CVE-2026-88086](https://patchblox.com/security/data/cve/CVE-2026-88086.md) | Routine | SQL Server | 5.3 | 0.0036 |  |
| [CVE-2026-70189](https://patchblox.com/security/data/cve/CVE-2026-70189.md) | Routine | SQL Server | 6.7 | 0.0033 |  |
| [CVE-2026-88089](https://patchblox.com/security/data/cve/CVE-2026-88089.md) | Routine | SQL Server | 6.7 | 0.0030 |  |
| [CVE-2026-88085](https://patchblox.com/security/data/cve/CVE-2026-88085.md) | Routine | SQL Server | 6.4 | 0.0024 |  |

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Data as of 2026-11-07T06:34:28Z 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