CVE-2026-87583 in Chrome
Summary
by MITRE • 09/09/2026
UI misrepresentation in Passwords in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 09/09/2026
The vulnerability identified as CVE-2024-7938 represents a user interface misrepresentation flaw within the Google Chrome browser on Android platforms, specifically affecting versions prior to 153.0.8010.36. This issue stems from an inconsistency in how the browser renders password-related UI elements when interacting with web content. The core technical failure lies in the rendering engine's handling of HTML pages that contain crafted markup designed to manipulate visual presentation layers. By exploiting this discrepancy, a remote attacker can construct a malicious webpage that tricks the user into perceiving legitimate interface components as something else entirely or vice versa. This type of flaw is categorized under CWE-201: Insertion of Sensitive Information Into Sent Data when it involves leaking data through UI cues, but more accurately aligns with CWE-836: Use of Password Hash Instead of Password for Authentication if the spoofing leads to credential harvesting, or generally falls under social engineering vectors enabled by technical flaws. The specific mechanism allows an attacker to overlay deceptive elements over genuine password fields or buttons, creating a visual environment where the user's trust in the browser's interface is subverted.
From an operational perspective, this vulnerability facilitates sophisticated phishing attacks that do not rely on traditional domain spoofing but rather on UI manipulation within the trusted context of the Chrome application itself. An attacker hosting a crafted HTML page can present a login form that appears to be from a legitimate service, such as a banking portal or email provider, while actually capturing credentials entered by the user into a hidden or mislabeled field. Because the attack occurs within the browser's own rendering process, standard security indicators like HTTPS certificates may still appear valid for the malicious domain if it is properly configured, further eroding user confidence. The severity of this vulnerability is classified as Low by Chromium because while it enables credential theft, it requires active user interaction with a specifically crafted page and does not allow for arbitrary code execution or direct system compromise. However, its impact on confidentiality remains significant due to the potential loss of sensitive authentication data.
This attack vector maps directly to several techniques in the MITRE ATT&CK framework, particularly T1566.002: Spearphishing Link, where attackers use links to malicious sites that exploit UI flaws, and potentially T1078: Valid Accounts if the stolen credentials are used for unauthorized access. The exploitation relies heavily on social engineering principles, leveraging the user's expectation of consistent browser behavior. When a user sees what they believe to be a standard password entry field, they enter their secrets without suspicion. If the UI is spoofed, these inputs may be sent directly to an attacker-controlled server rather than being encrypted and transmitted to the intended service provider. This bypasses many traditional security controls that focus on network-level threats or malware installation, targeting instead the human element of cybersecurity through deceptive interface design.
Mitigation for this vulnerability primarily involves software updates. Users running Google Chrome on Android must upgrade to version 153.0.8010.36 or later, where the rendering engine has been patched to correctly handle these UI elements and prevent the spoofing effect. For organizations managing fleets of devices, ensuring timely deployment of browser patches is critical to closing this attack surface. Additionally, users should be educated on verifying URL domains carefully before entering credentials, even if the interface looks familiar, as visual cues can no longer be fully trusted in compromised environments. Security monitoring tools that detect unusual patterns of credential submission or high volumes of failed login attempts from specific IP ranges associated with known malicious hosting providers can also provide an additional layer of defense against successful exploitation of this flaw.