---
id: CVE-2026-54116
title: Microsoft SQL Server Information Disclosure Vulnerability
summary: >-
  Access of resource using incompatible type ('type confusion') in SQL Server
  allows an authorized attacker to disclose information over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-843
vendor: Microsoft
product: Microsoft SQL Server 2025 (CU 6)
affected:
  - sql_server_2025_cu_6 >= 17.0.4060.2 < 17.0.4060.2
  - sql_server_2025_for_x64-based_systems_gdr >= 17.0.1050.2 < 17.0.1125.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-07-16T14:16:10.626078Z'
published: '2026-07-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T18:24:22.025Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-54116'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54116'
    label: Microsoft SQL Server Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.00995
epssPercentile: 0.61096
ingestedAt: '2026-09-08T17:06:31.908Z'
---

## Overview

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

## Affected

- `sql_server_2025_cu_6 >= 17.0.4060.2 < 17.0.4060.2`
- `sql_server_2025_for_x64-based_systems_gdr >= 17.0.1050.2 < 17.0.1125.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.