CVE-2026-17792 in Chrome
Summary
by MITRE • 07/30/2026
Inappropriate implementation in Credential Management in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 07/30/2026
This vulnerability represents a critical flaw in Google Chrome's credential management system that existed prior to version 151.0.7922.72, classified as a medium severity issue by Chromium security standards. The vulnerability stems from an inadequate implementation of user interface elements within the browser's credential handling mechanisms, specifically allowing malicious actors to manipulate the visual presentation of authentication prompts and dialogs. The flaw enables remote attackers to craft specially designed HTML pages that can deceive users into believing they are interacting with legitimate credential dialogs when in fact they are encountering attacker-controlled interfaces.
The technical nature of this vulnerability aligns with CWE-611, which addresses improper access control in web applications, and more specifically relates to CWE-20, concerning insecure input handling. The issue manifests when Chrome's credential management system fails to properly validate or sanitize the visual components of authentication prompts, creating opportunities for attackers to inject malicious HTML content that can override or mimic legitimate browser interfaces. This UI spoofing capability allows threat actors to create convincing fake login screens, password managers, or certificate dialogs that can capture user credentials without detection.
From an operational impact perspective, this vulnerability creates significant risks for users who may unknowingly enter sensitive information into attacker-controlled interfaces. The attack vector operates entirely through web-based delivery methods, making it particularly dangerous as users can be exposed simply by visiting compromised websites or clicking on malicious links. Users may be tricked into entering passwords, PINs, or other authentication credentials that are then captured by the malicious page, potentially leading to account takeovers, financial fraud, or broader system compromise.
The mitigation strategies for this vulnerability include immediate browser updates to version 151.0.7922.72 or later, which would contain the necessary patches to properly validate credential dialog interfaces and prevent unauthorized UI manipulation. Organizations should also implement additional security measures such as web application firewalls, content security policies, and user education programs to reduce exposure. From an ATT&CK framework perspective, this vulnerability maps to techniques under T1531 (Account Access Removal) and T1071.004 (Application Layer Protocol: DNS) where attackers may leverage the compromised authentication flow to maintain persistent access. Network administrators should monitor for suspicious credential-related traffic patterns and implement browser hardening measures including disabling unnecessary credential management features in enterprise environments where such vulnerabilities could be exploited.