---
id: CVE-2026-69558
title: Microsoft Partner Center Information Disclosure Vulnerability
summary: >-
  Authorization bypass through user-controlled key in Microsoft Partner Center
  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:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-639
vendor: Microsoft
product: Microsoft Partner Center
affected:
  - partner_center -
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-21T13:14:46.317157Z'
published: '2026-08-20'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:47:44.810Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-69558'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69558'
    label: Microsoft Partner Center Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.0054
epssPercentile: 0.44362
ingestedAt: '2026-09-08T19:08:49.644Z'
---

## Overview

Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.

## Affected

- `partner_center -`

## Remediation

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