CVE-2026-62835 in Azure Portal
Summary
by MITRE • 07/24/2026
Improper authorization in Azure Portal allows an unauthorized attacker to disclose information over a network.
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Analysis
by VulDB Data Team • 07/24/2026
This vulnerability represents a critical authorization flaw within the azure portal infrastructure that enables attackers to bypass legitimate access controls and obtain sensitive information through network communications. The issue stems from inadequate validation of user permissions and session management mechanisms that should normally restrict access to specific resources based on defined roles and privileges. When proper authorization checks fail, malicious actors can exploit this weakness to enumerate and retrieve data that should otherwise remain inaccessible to unauthorized users.
The technical implementation of this vulnerability typically manifests through insufficient input validation in api endpoints or web interfaces where authentication tokens or session identifiers are not properly verified against established access control policies. Attackers can leverage this misconfiguration to make unauthorized requests to azure portal services, potentially accessing user data, configuration settings, or operational information that would normally require elevated privileges. This weakness often correlates with common software security flaws categorized under cwe-285 which addresses improper authorization issues in authentication and access control systems. The attack vector commonly follows established patterns documented in the mitre att&ck framework under initial access techniques where adversaries seek to gain unauthorized access to systems through weak access controls.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable more sophisticated attacks including privilege escalation, data exfiltration, and lateral movement within azure environments. Organizations may experience unauthorized access to sensitive configuration details, user credentials, or operational metadata that could be leveraged for further exploitation. The network-based nature of the attack means that even if physical security measures are adequate, logical access controls can still be bypassed through remote exploitation. This creates a significant risk for organizations relying on azure portal services, as the vulnerability can be exploited from external networks without requiring physical access to the infrastructure.
Mitigation strategies should focus on implementing robust authorization controls including proper role-based access control mechanisms, regular security assessments of api endpoints, and comprehensive monitoring of unauthorized access attempts. Organizations should ensure that all azure portal interactions enforce strict authentication checks and maintain detailed audit trails of access patterns. Security teams must implement network segmentation controls to limit the scope of potential exploitation and establish automated alerts for suspicious access patterns. Regular penetration testing and vulnerability scanning should be conducted to identify similar authorization gaps in other components of the azure infrastructure. The implementation of azure security center and comprehensive logging mechanisms can help detect anomalous behavior that may indicate exploitation attempts, while adherence to azure security best practices and compliance frameworks such as azure compliance standards will provide additional protection layers against similar authorization failures.