Microsoft SQL Server Elevation of Privilege Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-67387
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 19:21:18 UTC
Updated2026-11-11 02:17:15 UTC
DescriptionUntrusted pointer dereference in SQL Server allows an authorized attacker to elevate privileges over a network.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

Problem Types: CWE-822 | CWE-822 CWE-822: Untrusted Pointer Dereference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/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
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Microsoft SQL Server 2017 GDR affected 14.0.0 14.0.2150.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2017 For X64-based Systems CU31 affected 14.0.3006.16 14.0.3570.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2019 GDR affected 15.0.0 15.0.2210.4 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2019 For X64-based Systems CU32 affected 15.0.4003.23 15.0.4510.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2022 GDR affected 16.0.0 16.0.1220.3 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2022 For X64-based Systems CU27 affected 16.0.4003.1 16.0.4315.2 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2025 CU10 affected 17.0.4006.0 17.0.5045.3 custom x64-based Systems
CNA Microsoft Microsoft SQL Server 2025 For X64-based Systems GDR affected 17.0.1050.2 17.0.1155.3 custom x64-based Systems

References

ReferenceSourceLinkTags
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67387 [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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