---
id: CVE-2026-69519
title: Azure Stack HCI Information Disclosure Vulnerability
summary: >-
  Observable response discrepancy in Azure Stack HCI allows an unauthorized
  attacker to disclose information over a network.
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-204
vendor: Microsoft
product: Azure Stack HCI
affected:
  - azure_stack_hci -
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-21T12:42:25.269629Z'
published: '2026-08-20'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T19:35:29.776Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-69519'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69519'
    label: Azure Stack HCI Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.01027
epssPercentile: 0.6211
ingestedAt: '2026-09-08T19:08:49.670Z'
---

## Overview

Observable response discrepancy in Azure Stack HCI allows an unauthorized attacker to disclose information over a network.

## Affected

- `azure_stack_hci -`

## Remediation

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