---
id: CVE-2026-65669
title: >-
  Improper neutralization of special elements in output used by a downstream
  component ('injection') in SQL Server allows an unauthorized attacker to
  elevate privileges over a network.
summary: >-
  Improper neutralization of special elements in output used by a downstream
  component ('injection') in SQL Server allows an unauthorized attacker to
  elevate privileges over a network.
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-74
vendor: Microsoft
product: SQL Server Management Studio 22
affected:
  - sql_server_management_studio_22 >= 22.0 < 22.8.2
published: '2026-09-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T10:17:11.290'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-65669'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65669'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-09T04:23:22.217239Z'
ingestedAt: '2026-09-08T19:08:49.604Z'
epss: 0.00882
epssPercentile: 0.57388
---

## Overview

Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.

## Remediation

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