9.1
CRITICAL CVSS 3.1
CVE-2026-32211
Azure MCP Server Information Disclosure Vulnerability
Description

Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.

INFO

Published Date :

April 3, 2026, 12:16 a.m.

Last Modified :

July 24, 2026, 9:10 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-32211 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft azure_web_apps
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL f38d906d-7342-40ea-92c1-6c4a2c6478c8
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2026-32211 has a 10 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-32211.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-32211 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Open-source identity & access governance for AI agent fleets — effective-access analysis, segregation-of-duties, least-privilege enforcement, and a tamper-evident audit ledger.

ai-agents audit iam identity-governance least-privilege mcp security segregation-of-duties

Makefile Python JavaScript HTML CSS

Updated: 3 days, 4 hours ago
0 stars 0 fork 0 watcher
Born at : July 18, 2026, 12:37 a.m. This repo has been linked 1 different CVEs too.

Natural language querying of CVE threat intelligence using OpenAI + FAISS

Python HTML

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 29, 2026, 9:23 a.m. This repo has been linked 2 different CVEs too.

Curadoria viva de projetos e insights sobre AI agents, multi-agent systems, e infra de produção. Atualizado automaticamente pelo Growth Agent.

Updated: 2 months ago
5 stars 0 fork 0 watcher
Born at : May 19, 2026, 4:17 p.m. This repo has been linked 37 different CVEs too.

The Project shares all information on MCP related CVE's published

mcp mcp-security mcp-cve

Updated: 1 week ago
19 stars 4 fork 4 watcher
Born at : May 7, 2026, 3:47 p.m. This repo has been linked 307 different CVEs too.

piiiico — trust infrastructure for the agentic economy

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : April 20, 2026, 5:42 p.m. This repo has been linked 1 different CVEs too.

A curated timeline of real AI agent security incidents, breaches, and vulnerabilities (2024-2026). Every entry sourced and dated.

ai-agent-security ai-agents ai-security awesome-list cybersecurity llm-security mcp-security prompt-injection supply-chain-security adversarial-attacks agent-security agentic-ai ai-attacks ai-safety cve incident-response owasp red-team security-research vulnerability

Updated: 1 week, 3 days ago
37 stars 3 fork 3 watcher
Born at : April 7, 2026, 2:19 p.m. This repo has been linked 113 different CVEs too.

Static scanner for MCP-connected AI agent pipelines — 225 rules across 11 categories, 12 compliance frameworks, OWASP Agentic 10/10 + MCP 10/10, GitHub Action, SARIF, public CVE-to-rule ledger.

ai-agent ai-security claude-code github-action mcp mcp-security owasp sarif scanner security supply-chain-security tool-poisoning ai-agent-security ai-safety security-scanner static-analysis

Python Dockerfile Shell TypeScript HTML Makefile

Updated: 6 days ago
10 stars 0 fork 0 watcher
Born at : April 5, 2026, 3:12 p.m. This repo has been linked 35 different CVEs too.

Migration intelligence framework for cloud-native infrastructure API transitions

Makefile Python Dockerfile

Updated: 3 months, 2 weeks ago
6 stars 0 fork 0 watcher
Born at : April 5, 2026, 3:03 a.m. This repo has been linked 1 different CVEs too.

This reposityory will be used to store my public portfolio

PowerShell

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : March 21, 2026, 2:58 p.m. This repo has been linked 5 different CVEs too.

TraceTree - Runtime behavioral analysis tool that maps the process cascade of suspicious packages into a directed tree, catching supply chain attacks that install-time scanners miss.

Python Dockerfile Shell

Updated: 3 months, 2 weeks ago
39 stars 4 fork 4 watcher
Born at : March 20, 2026, 9:24 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-32211 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-32211 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Jul. 24, 2026

    Action Type Old Value New Value
    Added Translation Title: Azure Web Apps de Microsoft, Description: Falta de autenticación para función crítica en el servidor Azure MCP permite a un atacante no autorizado divulgar información a través de una red.
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Microsoft', 'product': 'Azure Web Apps', 'versions': [{'status': 'affected', 'version': '-'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-32211', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-04-03T00:00:00+00:00'}
  • Initial Analysis by [email protected]

    Apr. 06, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CPE Configuration OR *cpe:2.3:a:microsoft:azure_web_apps:-:*:*:*:*:*:*:*
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 03, 2026

    Action Type Old Value New Value
    Added Tag exclusively-hosted-service
    Added Description Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-306
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.