Microsoft SQL Server Elevation of Privilege Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55002
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-14 17:17:08 UTC
Updated2026-07-15 05:17:09 UTC
DescriptionExternal control of file name or path in SQL Server allows an authorized attacker to elevate privileges locally.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002410000 probability, percentile 0.151900000 (date 2026-07-19)

Problem Types: CWE-73 | CWE-73 CWE-73: External Control of File Name or Path

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Microsoft SQL Server 2016 Service Pack 3 GDR affected 13.0.0 13.0.6500.1 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack affected 13.0.0 13.0.7095.1 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2017 CU 31 affected 14.0.0 14.0.3540.1 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2017 GDR affected 14.0.0 14.0.2120.1 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2019 CU 32 affected 15.0.0.0 15.0.4480.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2019 GDR affected 15.0.0 15.0.2180.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2022 GDR affected 16.0.0 16.0.1190.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2022 For X64-based Systems CU 25 affected 16.0.4260.1 16.0.4262.2 custom Not specified
CNA Microsoft Microsoft SQL Server 2025 CU 6 affected 17.0.4060.2 17.0.4060.2 custom Not specified
CNA Microsoft Microsoft SQL Server 2025 For X64-based Systems GDR affected 17.0.1050.2 17.0.1125.2 custom x64-based Systems

References

ReferenceSourceLinkTags
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55002 [email protected] msrc.microsoft.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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