---
id: CVE-2026-70352
title: >-
  Missing authentication for critical function in Azure AI Language allows an
  unauthorized attacker to elevate privileges over a network.
summary: >-
  Missing authentication for critical function in Azure AI Language allows an
  unauthorized attacker to elevate privileges over a network.
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-306
published: '2026-09-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T15:32:16.500'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70352'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70352'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00623
epssPercentile: 0.48499
ingestedAt: '2026-09-05T21:45:15.216Z'
vendor: Microsoft
product: Azure AI Language Authoring
affected:
  - azure_ai_language_authoring -
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-04T00:00:00+00:00'
---

## Overview

Missing authentication for critical function in Azure AI Language allows an unauthorized attacker to elevate privileges over a network.

## Remediation

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