CVE-2026-54116
Analyzed Analyzed - Analysis Complete

Type Confusion in Microsoft SQL Server

Publication date: 2026-07-14

Last updated on: 2026-07-22

Assigner: Microsoft Corporation

Description
Access of resource using incompatible type ('type confusion') in SQL Server allows an authorized attacker to disclose information over a network.

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Meta Information

Published
2026-07-14
Last Modified
2026-07-22
Generated
2026-08-04
AI Q&A
2026-07-15
EPSS Evaluated
2026-08-02
NVD
CVE-2026-54116
EUVD
EUVD-2026-44225

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
microsoft sql_server_2025 From 17.0.1000.7 (inc) to 17.0.1125.2 (exc)
microsoft sql_server_2025 From 17.0.4006.2 (inc) to 17.0.4060.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

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Executive Summary

This is a type confusion vulnerability in SQL Server where an attacker can exploit mismatched data types to access resources improperly. This allows unauthorized information disclosure over a network.

Impact Analysis

An authorized attacker could exploit this to read sensitive data stored in SQL Server databases, potentially exposing confidential information like user credentials or personal data.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information, potentially resulting in legal penalties.

Mitigation Strategies

Apply the latest security updates from Microsoft for SQL Server as soon as possible to patch the type confusion vulnerability. Monitor Microsoft's update guide for specific patch details.

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