CVE-2026-17825 in Chrome
Summary
by MITRE • 07/30/2026
Insufficient policy enforcement in Passwords in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker to bypass discretionary access control 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 weakness in the Android version of Google Chrome's password handling mechanisms, specifically affecting versions prior to 151.0.7922.72. The flaw stems from insufficient policy enforcement within the browser's password management system, creating a pathway for remote attackers to circumvent discretionary access control measures through maliciously crafted HTML content. The vulnerability operates at the intersection of web browser security and access control mechanisms, where proper policy enforcement should prevent unauthorized access to sensitive user credentials.
The technical implementation of this flaw involves the browser's failure to adequately validate or enforce access restrictions when processing password-related elements within HTML pages. Attackers can construct specially designed web pages that exploit gaps in the Chrome browser's policy enforcement framework, potentially allowing them to access or manipulate stored passwords without proper authorization. This represents a classic discretionary access control bypass vulnerability where the system fails to properly enforce access permissions that should normally restrict unauthorized parties from accessing sensitive resources.
The operational impact of this vulnerability extends beyond simple credential theft, as it compromises the fundamental security assumptions of the browser's password management system. Users who interact with malicious web content could have their stored passwords exposed or potentially modified, leading to account compromise across multiple services. The medium severity classification reflects the specific nature of the attack vector requiring remote exploitation through crafted HTML pages rather than local privilege escalation or more direct attacks.
From a cybersecurity perspective, this vulnerability aligns with CWE-284, which addresses improper access control issues in software systems. The flaw demonstrates how web browsers must maintain strict enforcement of access policies when handling sensitive user data, particularly credentials that are stored locally on devices. Attackers could leverage this vulnerability through common phishing techniques or drive-by downloads, making it particularly dangerous for everyday users who may not be aware of the specific security implications.
Mitigation strategies should prioritize immediate system updates to Chrome version 151.0.7922.72 or later, which includes patches addressing the policy enforcement gaps. Organizations should also implement additional security measures such as browser hardening configurations, network-based protections, and user education about avoiding suspicious web content. The ATT&CK framework categorizes this under T1548.003 for bypassing system access controls, highlighting the need for comprehensive defensive measures that address both endpoint protection and network monitoring to detect potential exploitation attempts.
This vulnerability underscores the importance of maintaining current browser versions as a fundamental security practice, particularly given that modern browsers handle increasingly sensitive user data and face sophisticated attack vectors from threat actors. The incident demonstrates how seemingly minor policy enforcement gaps can create significant security risks in complex software systems where access control mechanisms must function flawlessly to protect user privacy and system integrity.