CVE-2026-17965
Summary
by MITRE • 07/30/2026
Incorrect security UI in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 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 • 07/30/2026
This vulnerability represents a user interface spoofing issue within the Chrome browser application for ios operating systems. The flaw existed in versions prior to 151.0.7922.72 and allowed remote attackers to manipulate the browser's security user interface through carefully crafted html content. The vulnerability falls under the chromium security severity classification of low, indicating a relatively minor risk level compared to more critical exploits. However, the potential for UI spoofing remains a significant concern as it can deceive users into believing they are interacting with legitimate web content while actually being exposed to malicious activities.
The technical implementation of this vulnerability stems from insufficient validation and sanitization of html content within the browser's security user interface components. When users navigate to maliciously crafted web pages, the browser fails to properly distinguish between legitimate security indicators and forged elements that mimic official chrome interface components. This allows attackers to create deceptive interfaces that appear authentic to users while potentially capturing sensitive information or redirecting them to malicious sites.
The operational impact of this vulnerability extends beyond simple deception as it undermines user trust in the browser's security mechanisms. Users may be misled into believing they are seeing legitimate security warnings or authentication prompts when they are actually interacting with attacker-controlled content. This type of attack can serve as a stepping stone for more sophisticated phishing operations or social engineering campaigns where users might unknowingly provide credentials or sensitive data. The vulnerability particularly affects ios users who rely on chrome for their web browsing activities and may not immediately recognize the spoofed interface elements.
This issue aligns with common weakness enumerations such as CWE-611, which addresses improper access control in web applications, and specifically relates to user interface security flaws that can be exploited through client-side manipulation. From an attack framework perspective, this vulnerability would typically be categorized under the initial access phase of the kill chain where attackers establish footholds through deceptive interfaces. The attack pattern follows typical phishing methodologies but leverages browser-specific UI elements rather than traditional email-based deception techniques.
The recommended mitigation strategy involves updating to chrome version 151.0.7922.72 or later, which contains fixes for the UI spoofing vulnerability. Organizations should ensure that all ios devices running chrome browsers are kept current with security patches and updates. Additionally, users should be educated about recognizing suspicious browser interface elements and maintaining awareness of potential social engineering attacks. Security monitoring should include detection of unusual web content patterns that might indicate attempts to exploit similar UI spoofing vulnerabilities in other applications or platforms.
The vulnerability demonstrates the ongoing challenge of maintaining secure user interfaces in complex web browsers where the balance between functionality and security must be carefully managed. Browser vendors continue to face pressure to implement robust validation mechanisms while maintaining compatibility with legitimate web standards and content. This particular case highlights the importance of continuous security assessment and the need for proactive patch management in mobile browser environments where users may not always be immediately aware of available updates or vulnerable configurations.