CVE-2026-0385 in Edge
Summary
by MITRE • 03/16/2026
Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability
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Analysis
by VulDB Data Team • 03/16/2026
This vulnerability resides within Microsoft Edge Chromium-based browser implementation for android platforms where a spoofing attack can occur through improper handling of URL display and navigation behavior. The flaw manifests when the browser fails to properly validate or sanitize the display of web addresses during navigation transitions, potentially allowing malicious actors to manipulate the perceived origin of web content. This represents a critical security concern as users may be misled into believing they are visiting legitimate websites when actually interacting with malicious content. The vulnerability stems from inadequate input validation mechanisms within the browser's rendering pipeline, particularly during URL parsing and display operations. Attackers can exploit this by crafting specially formatted URLs or leveraging existing web page vulnerabilities to manipulate how the browser presents navigation information to users. The technical implementation involves the browser's handling of URL components such as scheme, domain, and path elements during transition states, where insufficient sanitization allows for deceptive presentation of web addresses.
The operational impact of this vulnerability extends beyond simple user confusion to potentially enable more sophisticated attacks including phishing operations, credential theft, and malware distribution. When users encounter manipulated URL displays, they may inadvertently trust malicious content and provide sensitive information or download harmful software. The attack surface is particularly concerning given the widespread use of Microsoft Edge on android devices and the browser's integration with various web services and applications. This vulnerability directly relates to CWE-601 which addresses URL redirector vulnerabilities and CWE-20 which covers input validation issues. The exploitation mechanism aligns with techniques described in the ATT&CK framework under T1566 for phishing and T1071 for application layer protocol usage, as attackers can leverage the spoofing capability to manipulate user interactions with web content.
Mitigation strategies should focus on implementing comprehensive URL validation and sanitization processes within the browser's navigation handling components. Browser vendors must ensure proper input validation at multiple layers including URL parsing, display formatting, and navigation state management. Security updates should include enhanced validation of URL components during transition states and implementation of robust user interface controls that clearly distinguish between different types of web addresses. Organizations should consider deploying network monitoring solutions to detect unusual URL patterns or navigation behaviors that may indicate exploitation attempts. Users should be educated about the importance of verifying URL displays and avoiding interaction with suspicious web content. Additionally, implementing browser security features such as strict content security policies and enhanced phishing protection mechanisms can help reduce the effectiveness of exploitation attempts. Regular security assessments of browser implementations should include thorough testing of URL handling and display mechanisms to identify potential spoofing vulnerabilities before they can be exploited in the wild.