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.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0091

60th percentile

<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

Product	Fix	Released
Microsoft
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)	KB5102340	Jul 14, 2026
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack	KB5102339	Jul 14, 2026
Microsoft SQL Server 2017 for x64-based Systems (CU 31)	KB5102337	Jul 14, 2026
Microsoft SQL Server 2017 for x64-based Systems (GDR)	KB5102338	Jul 14, 2026
Microsoft SQL Server 2019 for x64-based Systems (CU 32)	KB5102335	Jul 14, 2026
Microsoft SQL Server 2019 for x64-based Systems (GDR)	KB5102336	Jul 14, 2026
Microsoft SQL Server 2022 for x64-based Systems (CU 25)	KB5101347	Jul 14, 2026
Microsoft SQL Server 2022 for x64-based Systems (GDR)	KB5102334	Jul 14, 2026
Microsoft SQL Server 2025 for x64-based Systems (CU6)	KB5101346	Jul 14, 2026
Microsoft SQL Server 2025 for x64-based Systems (GDR)	KB5102333	Jul 14, 2026

Details

Published
July 14, 2026
Weakness
External Control of File Name or Path
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002

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