CVE-2026-11222 in Chrome
Summary
by MITRE • 06/05/2026
Incorrect security UI in Tab Strip in Google Chrome prior to 149.0.7827.53 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 • 06/05/2026
This vulnerability represents a user interface security flaw in google chrome's tab strip implementation that could potentially enable domain spoofing attacks. The issue stems from how chrome renders tab information in its user interface, specifically within the tab strip component that displays website information to users. The vulnerability arises from insufficient validation or sanitization of domain information displayed in the tab interface, allowing malicious actors to craft html pages that could manipulate how domain names appear to users. This type of vulnerability falls under the category of user interface deception attacks where the attacker exploits the visual representation of security information to mislead users about the true origin of content.
The technical implementation of this flaw involves chrome's tab strip rendering engine failing to properly validate or sanitize domain information before displaying it to users. When users navigate to crafted web pages, the browser's tab strip may display misleading domain information that appears to come from a trusted source while actually originating from a malicious site. This creates a scenario where users might be deceived into believing they are interacting with a legitimate website when they are actually communicating with an attacker-controlled server. The vulnerability's low severity classification according to chromium security guidelines indicates that while it poses a potential risk, the attack vector requires specific user interaction and the impact is limited compared to more severe security flaws.
The operational impact of this vulnerability extends beyond simple visual deception as it undermines user trust in the browser's security indicators. Users rely on tab strip information to verify website authenticity and make informed decisions about their online activities. When this information can be manipulated, it creates an environment where users may inadvertently share sensitive information or perform actions they would not normally undertake. The attack requires a remote attacker to host a malicious html page that specifically targets the tab strip rendering behavior, making it a server-side attack vector rather than a client-side exploit. This type of vulnerability aligns with attack techniques documented in the attack pattern taxonomy under deception and social engineering categories.
Mitigation strategies for this vulnerability primarily involve keeping chrome browsers updated to versions that address the specific tab strip rendering issue. Google released patches in version 149.0.7827.53 that resolve the domain spoofing capability within the tab strip interface. Users should maintain regular browser updates and security patches to protect against such UI-based attacks. Security administrators should monitor for vulnerable browser versions and ensure that all systems are running patched versions. The fix likely involves implementing stricter validation of domain information displayed in the tab strip and ensuring that the displayed information accurately reflects the actual origin of web content. This vulnerability demonstrates the importance of user interface security considerations in browser design and highlights how seemingly minor UI elements can become attack vectors when not properly secured. Organizations should implement comprehensive browser security policies that include regular update scheduling and user education about the importance of maintaining current security software versions.