Microsoft Azure AI Language Authoring missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k4.94

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Azure AI Language Authoring. Affected by this issue is some unknown functionality. The manipulation results in missing authentication. This vulnerability is reported as CVE-2026-70352. The attack can be launched remotely. No exploit exists. This product operates as a managed service, which prevents users from maintaining vulnerability countermeasures themselves.

Detailsinfo

A vulnerability was found in Microsoft Azure AI Language Authoring (affected version not known). It has been classified as critical. Affected is some unknown functionality. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is shared for download at msrc.microsoft.com. This vulnerability is traded as CVE-2026-70352 since 08/04/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2026).

This product is available as a managed service. Users are not able to maintain vulnerability countermeasures themselves.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-3186). Once again VulDB remains the best source for vulnerability data.

Affected

  • Microsoft 365 Copilot
  • Microsoft Azure
  • Microsoft Azure Cosmos DB
  • Microsoft Entra

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/04/2026 CVE reserved
09/03/2026 +30 days VulDB entry created
09/04/2026 +0 days Advisory disclosed
09/04/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-70352 (🔒)
GCVE (CVE): GCVE-0-2026-70352
GCVE (VulDB): GCVE-100-398652
CERT Bund: WID-SEC-2026-3186 - Microsoft Clouddienste: Mehrere Schwachstellen

Entryinfo

Created: 09/04/2026 01:21
Updated: 09/04/2026 20:25
Changes: 09/04/2026 01:21 (61), 09/04/2026 20:25 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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