# CVE-2026-55002: Microsoft SQL Server Elevation of Privilege Vulnerability

CVE-2026-55002 is fixed in 10 products on 1 platform, first by KB5102340, released July 14, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-55002
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0091
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jul 14, 2026
- Weakness: External Control of File Name or Path
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002

## Description

<p>External control of file name or path in SQL Server allows an authorized attacker to elevate privileges over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) |  | [KB5102340](https://patchblox.com/security/data/fix/microsoft/kb5102340.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack |  | [KB5102339](https://patchblox.com/security/data/fix/microsoft/kb5102339.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2017 for x64-based Systems (CU 31) |  | [KB5102337](https://patchblox.com/security/data/fix/microsoft/kb5102337.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2017 for x64-based Systems (GDR) |  | [KB5102338](https://patchblox.com/security/data/fix/microsoft/kb5102338.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (CU 32) |  | [KB5102335](https://patchblox.com/security/data/fix/microsoft/kb5102335.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2019 for x64-based Systems (GDR) |  | [KB5102336](https://patchblox.com/security/data/fix/microsoft/kb5102336.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU 25) |  | [KB5101347](https://patchblox.com/security/data/fix/microsoft/kb5101347.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (GDR) |  | [KB5102334](https://patchblox.com/security/data/fix/microsoft/kb5102334.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (CU6) |  | [KB5101346](https://patchblox.com/security/data/fix/microsoft/kb5101346.md) | Jul 14, 2026 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) |  | [KB5102333](https://patchblox.com/security/data/fix/microsoft/kb5102333.md) | Jul 14, 2026 |

---

Data as of 2026-11-08T06:59:42Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.