CVE-2026-21262 - Vulnerability Details - OpenCVE

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Sql Server 2016 Sql Server 2017 Sql Server 2019 Sql Server 2022 Sql Server 2025

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262

History

Tue, 10 Mar 2026 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 10 Mar 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Title		SQL Server Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft sql Server 2016 Microsoft sql Server 2017 Microsoft sql Server 2019 Microsoft sql Server 2022 Microsoft sql Server 2025
Weaknesses		CWE-284
CPEs		cpe:2.3:a:microsoft:sql_server_2016::sp3:::::x64: cpe:2.3:a:microsoft:sql_server_2017::-:::::x64: cpe:2.3:a:microsoft:sql_server_2019:::::::x64:* cpe:2.3:a:microsoft:sql_server_2022:::::::x64:* cpe:2.3:a:microsoft:sql_server_2025:::::::x64:*
Vendors & Products		Microsoft Microsoft sql Server 2016 Microsoft sql Server 2017 Microsoft sql Server 2019 Microsoft sql Server 2022 Microsoft sql Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-03-10T17:04:32.361Z

Updated: 2026-03-10T19:00:42.427Z

Reserved: 2025-12-11T21:02:05.737Z

Link: CVE-2026-21262

Vulnrichment

Updated: 2026-03-10T18:40:15.451Z

NVD

Status : Received

Published: 2026-03-10T18:18:06.190

Modified: 2026-03-10T18:18:06.190

Link: CVE-2026-21262

Redhat

No data.

OpenCVE Enrichment

No data.

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