---
id: CVE-2026-62836
title: >-
  Improper restriction of communication channel to intended endpoints in Azure
  SQL Managed Instance allows an unauthorized attacker to elevate privileges
  over a network.
summary: >-
  Improper restriction of communication channel to intended endpoints in Azure
  SQL Managed Instance allows an unauthorized attacker to elevate privileges
  over a network.
severity: high
cvss: 8.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'
cwe:
  - CWE-923
vendor: microsoft
product: azure_sql_managed_instance
affected:
  - azure_sql_managed_instance
published: '2026-08-07'
updated: '2026-08-08'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-62836'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62836'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00435
epssPercentile: 0.3727
ingestedAt: '2026-08-09T02:32:00.263Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-07T00:00:00+00:00'
---

## Overview

Improper restriction of communication channel to intended endpoints in Azure SQL Managed Instance allows an unauthorized attacker to elevate privileges over a network.

## Affected

- `azure_sql_managed_instance`

## Remediation

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