CVE-2026-79022 in Chrome
Summary
by MITRE • 08/26/2026
UI misrepresentation in Transactions Platform in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to potentially spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 08/26/2026
The vulnerability identified as a user interface misrepresentation flaw within the Google Chrome Transactions Platform prior to version 152.0.7977.65 represents a significant risk related to trust boundaries and visual integrity in web-based financial interactions. This issue stems from an inability of the browser's rendering engine or specific transaction handling components to correctly enforce UI constraints, allowing external content to visually overlap with or mimic legitimate interface elements provided by trusted origins. The core technical flaw lies in the failure to properly isolate or restrict the display context of third-party HTML pages when they interact with sensitive platform features. By crafting a malicious webpage that exploits this rendering inconsistency, an attacker can manipulate the visual presentation of the browser window, creating deceptive overlays that appear as part of the legitimate transaction interface rather than external content.
The operational impact of this vulnerability is primarily centered around social engineering attacks targeting end-users who are engaged in financial transactions or sensitive data entry through Chrome-based applications. Because the flaw allows for UI spoofing, a remote attacker can construct a scenario where a victim believes they are interacting with a secure banking portal or payment gateway while actually inputting credentials into a malicious overlay controlled by the attacker. This deception bypasses user vigilance because the visual cues typically used to verify authenticity, such as layout consistency and element positioning, are compromised. The Chromium security team has classified this issue with low severity, likely due to the high level of social engineering required for successful exploitation rather than an automated code execution vector, but the potential for credential theft remains substantial given the context of financial transactions.
From a classification perspective, this vulnerability aligns closely with CWE-1021: Improper Restriction of Rendered UI Layers or Frames, which describes flaws where user interface elements are not properly constrained against being overlaid by untrusted content. It also maps to MITRE ATT&CK technique T1498: Network Sniffing/Impersonation under the broader category of Social Engineering and Phishing, specifically relating to visual deception tactics used in spear-phishing campaigns. The attacker leverages the browser's trust model against itself, exploiting the user's assumption that what is displayed on screen corresponds directly to the actual underlying application state. This misalignment between perceived reality and technical reality forms the basis for successful credential harvesting or man-in-the-browser attacks without requiring any software exploits beyond standard HTML and CSS manipulation capabilities available in modern browsers.
Mitigation strategies must address both immediate patching requirements and long-term architectural defenses. The primary remediation is to upgrade Google Chrome to version 152.0.7977.65 or later, where the rendering engine has been updated to enforce stricter isolation policies for UI elements involved in transaction processing. Organizations should implement strict Content Security Policy (CSP) directives that prevent unauthorized frames from overlaying critical interface components and utilize X-Frame-Options headers to control embedding behavior across all internal applications. Additionally, security awareness training is essential to educate users on recognizing subtle discrepancies in layout or unexpected visual artifacts during financial transactions. Implementing multi-factor authentication provides a secondary layer of defense, ensuring that even if credentials are harvested through such UI spoofing attacks, the attacker cannot fully compromise the account without the second factor. Regular auditing of web application interfaces against modern phishing techniques and continuous monitoring for anomalous login patterns can further reduce the risk posed by this class of vulnerabilities.