CVE-2026-62828 in Edge
Summary
by MITRE • 07/28/2026
Improper input validation in Microsoft Edge for Android allows an unauthorized attacker to perform tampering over a network.
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Analysis
by VulDB Data Team • 07/28/2026
Microsoft Edge for Android contains a vulnerability related to insufficient input validation that creates opportunities for network-based tampering attacks by unauthorized parties. This flaw exists within the browser's processing of user inputs or network data, potentially allowing attackers to manipulate content or alter communication flows without proper authorization. The vulnerability stems from inadequate sanitization or validation mechanisms that should normally filter and verify incoming data before it is processed or displayed within the browser environment.
The technical nature of this weakness places it squarely within the realm of input validation failures that can lead to various security consequences including man-in-the-middle attacks, content injection, or data manipulation during network transmission. Attackers could exploit this by crafting malicious inputs that bypass normal validation checks, potentially altering web page content, injecting harmful scripts, or redirecting traffic through unauthorized channels. This type of vulnerability aligns with common attack patterns found in the attack tactics framework where adversaries attempt to compromise system integrity through manipulation of input data flows.
The operational impact of this vulnerability extends beyond simple data corruption as it undermines the fundamental security assumptions of network communication within the browser environment. Users operating Microsoft Edge for Android may unknowingly encounter tampered content or have their browsing sessions compromised without detection, creating potential pathways for more sophisticated attacks including credential theft or lateral movement within affected networks. The mobile platform context adds additional complexity as mobile browsers often handle more diverse input sources and network conditions compared to desktop environments.
Security mitigations should focus on implementing robust input validation mechanisms that properly sanitize all user inputs and network data before processing. Organizations should ensure timely patch management for Microsoft Edge updates and consider network monitoring solutions to detect anomalous traffic patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of following secure coding practices and input validation standards as outlined in industry frameworks such as the CWE Top 25, which categorizes improper input validation as a critical weakness affecting software reliability and security. Additionally, this issue aligns with attack techniques documented in the MITRE ATT&CK framework under the category of "Data Manipulation" where adversaries seek to alter or corrupt information to achieve their objectives.
The remediation approach should involve comprehensive code review processes to identify all input handling points within the browser's network processing components and implementation of defense-in-depth strategies including content security policies, secure communication protocols, and regular security assessments. Organizations should also consider implementing network segmentation and monitoring solutions to detect potential exploitation attempts that might leverage this vulnerability for broader security breaches across their infrastructure.