CVE-2026-21262
Received Received - Intake
Improper Access Control in SQL Server Enables Privilege Escalation

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 10 associated CPEs
Vendor Product Version / Range
microsoft sql_server_2016 From 13.0.6300.2 (inc) to 13.0.6480.4 (exc)
microsoft sql_server_2016 From 13.0.7000.253 (inc) to 13.0.7075.5 (exc)
microsoft sql_server_2017 From 14.0.1000.169 (inc) to 14.0.2100.4 (exc)
microsoft sql_server_2017 From 14.0.3006.16 (inc) to 14.0.3520.4 (exc)
microsoft sql_server_2019 From 15.0.4003.23 (inc) to 15.4460.4 (exc)
microsoft sql_server_2022 From 16.0.1000.6 (inc) to 16.0.1170.5 (exc)
microsoft sql_server_2022 From 16.0.4003.1 (inc) to 16.0.4240.4 (exc)
microsoft sql_server_2025 From 17.0.1000.7 (inc) to 17.0.1105.2 (exc)
microsoft sql_server_2025 From 17.0.4006.2 (inc) to 17.0.4020.2 (exc)
microsoft sql_server_2019 From 15.0.2000.5 (inc) to 15.0.2160.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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Executive Summary

This vulnerability is an improper access control issue in Microsoft SQL Server that allows an authorized attacker to elevate their privileges over a network.

Impact Analysis

An attacker who is already authorized on the network can exploit this vulnerability to gain higher privileges than intended, potentially leading to full control over the SQL Server.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

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