---
id: CVE-2026-83943
title: >-
  Exposure of sensitive information to an unauthorized actor in Azure API Center
  allows an unauthorized attacker to disclose information over a network.
summary: >-
  Exposure of sensitive information to an unauthorized actor in Azure API Center
  allows an unauthorized attacker to disclose information 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-200
published: '2026-10-08'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:19:44.453'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83943'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83943'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00543
epssPercentile: 0.45419
ingestedAt: '2026-10-09T00:19:50.977Z'
vendor: Microsoft
product: Azure API Center
affected:
  - azure_api_center -
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-09T13:11:17.755177Z'
---

## Overview

Exposure of sensitive information to an unauthorized actor in Azure API Center allows an unauthorized attacker to disclose information over a network.

## Remediation

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