CVE-2026-14031 in Chrome
Summary
by MITRE • 07/01/2026
Inappropriate implementation in File Input in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 07/01/2026
This vulnerability represents a user interface spoofing weakness in google chrome's file input handling mechanism that existed prior to version 150.0.7871.47. The flaw stems from inadequate validation and processing of file input elements within html pages, creating an opportunity for malicious actors to manipulate the browser's visual presentation. The vulnerability falls under the broader category of user interface deception attacks where attackers can craft specially designed html content to mislead users about the true nature of their interactions with the browser.
The technical implementation issue occurs when chrome processes file input elements that have been manipulated through crafted html pages. This allows remote attackers to potentially alter how file selection dialogs appear or behave, creating misleading visual cues that could deceive users into interacting with unintended elements. The vulnerability specifically affects the rendering and handling of file input controls within the browser's user interface, enabling attackers to manipulate the presentation layer without directly compromising core browser functionality.
From an operational perspective this vulnerability enables remote code execution through social engineering attacks where users might be tricked into selecting files from malicious locations or interacting with deceptive interfaces. The low severity classification according to chromium security standards indicates that while the vulnerability can be exploited remotely, it does not typically lead to complete system compromise or data exfiltration. However, the UI spoofing capability can still facilitate phishing attempts and user deception attacks that may lead to more serious consequences.
The flaw aligns with common weakness enumerations such as CWE-602, which covers client-side input validation issues that can be exploited for user interface manipulation. It also relates to ATT&CK technique T1566 which involves social engineering through deceptive user interfaces. Organizations should prioritize updating chrome installations to version 150.0.7871.47 or later to mitigate this vulnerability. Additionally, implementing browser security policies and user education regarding suspicious web content can provide additional layers of defense against exploitation attempts that rely on UI deception techniques.
The vulnerability demonstrates how seemingly minor implementation gaps in browser components can create opportunities for attackers to manipulate user experiences and potentially lead to broader security incidents. Regular security updates and patch management procedures remain critical defenses against such client-side exploitation vectors. Security teams should monitor for similar vulnerabilities in other browser components and ensure comprehensive testing of user interface elements that handle file operations or user interactions.