CVE-2026-67389

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in SQL Server

Publication date: 2026-09-08

Last updated on: 2026-09-15

Assigner: Microsoft Corporation

Description

Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-15

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-67389

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	sql_server_2022	to 16.0.1200.5 (exc)
microsoft	sql_server_2022	From 16.0.4003.1 (inc) to 16.0.4275.2 (exc)
microsoft	sql_server_2025	to 17.0.1135.8 (exc)
microsoft	sql_server_2025	From 17.0.4006.2 (inc) to 17.0.4085.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in Microsoft SQL Server. It allows an authorized attacker to read memory outside the intended buffer, potentially exposing sensitive data over a network.

Impact Analysis

An attacker could exploit this to access unauthorized information, such as database contents or system memory, leading to data breaches or further attacks. The impact depends on the data stored in the affected SQL Server.

Compliance Impact

This vulnerability could lead to unauthorized data disclosure, violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations may face legal penalties or reputational damage if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft for SQL Server to patch the out-of-bounds read vulnerability. Ensure network access controls restrict unauthorized users and monitor for unusual database activity.

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