CVE-2026-32211 | Microsoft Azure Web Apps MCP Server missing authentication (EUVD-2026-18560)

VDB-355049 · CVE-2026-32211 · EUVD-2026-18560 MICROSOFT AZURE WEB APPS MCP SERVER MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.2 $5k-$25k 2.65+ Summaryinfo A vulnerability identified as critical has been detected in Microsoft Azure Web Apps. This affects an unknown part of the component MCP Server. The manipulation leads to missing authentication. This vulnerability is traded as CVE-2026-32211. It is possible to initiate the attack remotely. There is no exploit available. This product is provided as a managed service, meaning users do not have the ability to maintain vulnerability countermeasures themselves. Detailsinfo A vulnerability was found in Microsoft Azure Web Apps (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component MCP Server. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The summary by CVE is: Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network. The advisory is shared at msrc.microsoft.com. The identification of this vulnerability is CVE-2026-32211 since 03/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/03/2026). 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 EUVD (EUVD-2026-18560). Productinfo Type Cloud Software Vendor Microsoft Name Azure Web Apps License commercial Managed Service yes Website Vendor: https://www.microsoft.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.2 VulDB Meta Temp Score: 8.2 VulDB Base Score: 7.3 VulDB Temp Score: 7.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.1 CNA Vector (microsoft): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/11/2026 CVE reserved 04/03/2026 +22 days Advisory disclosed 04/03/2026 +0 days VulDB entry created 04/03/2026 +0 days VulDB entry last update Sourcesinfo Vendor: microsoft.com Advisory: msrc.microsoft.com Status: Confirmed CVE: CVE-2026-32211 (🔒) GCVE (CVE): GCVE-0-2026-32211 GCVE (VulDB): GCVE-100-355049 EUVD: 🔒 Entryinfo Created: 04/03/2026 02:53 Updated: 04/03/2026 04:20 Changes: 04/03/2026 02:53 (63), 04/03/2026 04:20 (1) Complete: 🔍 Cache ID: 99:985:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸