CVE-2026-32207 in Azure Machine Learninginfo

Summary

by MITRE • 05/08/2026

Improper neutralization of input during web page generation ('cross-site scripting') in Azure Machine Learning allows an unauthorized attacker to perform spoofing over a network.

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Analysis

by VulDB Data Team • 05/10/2026

Cross-site scripting vulnerabilities in azure machine learning represent a critical security weakness that enables unauthorized attackers to inject malicious code into web pages viewed by other users. this particular flaw falls under the common weakness enumeration category CWE-79 which specifically addresses improper neutralization of input during web page generation. the vulnerability occurs when the system fails to properly sanitize user-supplied data before incorporating it into dynamically generated web content, creating an avenue for attackers to execute malicious scripts within the context of affected users' browsers.

the operational impact of this vulnerability extends beyond simple data theft or service disruption. when exploited, the xss flaw allows attackers to perform network-based spoofing operations that can compromise user sessions, redirect traffic to malicious sites, or inject counterfeit content that appears legitimate to end users. this capability significantly undermines the trust model that azure machine learning systems rely upon for secure collaboration and data sharing environments. the attack surface becomes particularly dangerous in machine learning contexts where users may be accessing sensitive model training data, experimental results, or collaborative workspaces that could be compromised through session hijacking or data manipulation.

azure machine learning environments typically process various forms of user input including model names, dataset descriptions, code snippets, and configuration parameters that are later rendered in web interfaces. when this input is not properly sanitized or escaped before display, attackers can inject javascript payloads that execute within the victim's browser context. the exploitation process often involves crafting malicious input that bypasses existing security controls, leveraging the web application's trust in its own data rendering mechanisms. this type of vulnerability demonstrates the critical importance of input validation and output encoding in web application security architectures, particularly in environments handling sensitive data and complex computational workflows.

the mitigation strategies for this xss vulnerability must address both the immediate code-level issues and broader architectural security considerations. implementing proper input sanitization using established libraries and frameworks that automatically escape special characters in user-supplied data represents the primary defense mechanism. additionally, content security policies should be enforced to restrict script execution and prevent unauthorized code injection attempts. organizations should also consider implementing secure coding practices that align with the owasp top ten security controls and adhere to microsoft security development lifecycle requirements. regular security testing including automated scanning and manual penetration testing can help identify potential xss vectors before they can be exploited in production environments. the remediation process should also include comprehensive security training for developers working on azure machine learning applications to ensure they understand the implications of improper input handling and the importance of maintaining secure coding practices throughout the development lifecycle.

Responsible

Microsoft

Reservation

03/11/2026

Disclosure

05/08/2026

Moderation

accepted

EPSS

0.00547

KEV

no

Activities

very low

Sources

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