CVE-2026-17964 in Chrome
Summary
by MITRE • 07/30/2026
Incorrect security UI in UI in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 07/30/2026
This vulnerability resides in the user interface security mechanisms of Google Chrome for Android, specifically affecting versions prior to 151.0.7922.72. The flaw manifests as an incorrect security UI implementation that fails to properly validate and display security indicators when navigating to malicious web pages. Attackers can exploit this weakness by crafting specially designed HTML content that manipulates the browser's visual security warnings, potentially misleading users about the authenticity of websites they are visiting. The vulnerability operates at the intersection of user interface design and security validation, creating a scenario where legitimate security warnings may be obscured or misrepresented.
The technical nature of this flaw involves improper handling of security indicators within Chrome's Android browser interface. When users encounter web content that triggers security warnings, the browser should consistently display clear visual cues about the potential risks. However, this vulnerability allows malicious actors to craft HTML pages that can manipulate these UI elements, effectively bypassing the intended security protections. The mechanism relies on the browser's failure to properly validate the legitimacy of security warnings, potentially allowing attackers to present false security indicators or suppress genuine ones.
The operational impact of this vulnerability creates significant risks for users of affected Chrome versions, as it enables domain spoofing attacks that can deceive users into believing they are visiting legitimate websites when they are actually interacting with malicious content. Users may be tricked into entering sensitive information on fraudulent sites because the browser's security warnings appear either absent or misleading. This type of attack directly compromises user trust in the browser's security system and can lead to credential theft, financial fraud, and other forms of cybercrime. The low severity classification does not diminish the potential impact on user safety and privacy.
Mitigation strategies for this vulnerability primarily involve updating to Chrome version 151.0.7922.72 or later, which contains the necessary security patches to properly handle UI security indicators. Organizations should ensure their mobile device management systems enforce timely updates across all affected devices. Security awareness training for users remains crucial, as it helps individuals recognize potentially suspicious website behaviors even when browser warnings are compromised. Additionally, implementing network-level security controls such as web filtering solutions and DNS-based protections can provide additional layers of defense against domain spoofing attempts that exploit this vulnerability.
This vulnerability aligns with CWE-611 (Improper Restriction of XML External Entity Reference) and relates to the broader category of user interface security flaws in web browsers. From an ATT&CK framework perspective, it maps to techniques involving social engineering through browser UI manipulation and credential access via deceptive website interfaces. The attack surface extends beyond simple phishing scenarios to encompass more sophisticated attacks where threat actors leverage browser implementation weaknesses to bypass security controls that users rely upon for protection against malicious websites.