CVE-2026-17892 in Chrome
Summary
by MITRE • 07/30/2026
Inappropriate implementation in WebXR in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 07/30/2026
The vulnerability under examination represents an improper implementation within Google Chrome's WebXR functionality, specifically affecting versions prior to 151.0.7922.72. This security flaw falls under the category of information disclosure, where a remote attacker can potentially extract sensitive data from process memory through maliciously crafted HTML content. The issue stems from inadequate memory management and access control mechanisms within the WebXR API implementation, which is designed to enable immersive virtual and augmented reality experiences directly within web browsers. When users visit compromised websites, the malicious HTML page can trigger memory access patterns that expose confidential information stored in browser processes.
The technical nature of this vulnerability involves a memory exposure issue that allows unauthorized data retrieval from process memory spaces. This type of flaw typically occurs when applications fail to properly validate or sanitize memory access requests, particularly in complex APIs like WebXR that handle multiple concurrent operations and memory allocations. The vulnerability enables attackers to perform memory reads beyond intended boundaries, potentially accessing sensitive information such as user credentials, session tokens, personal data, or other confidential information stored within the browser's memory segments. This represents a classic case of insufficient access control and memory protection mechanisms in web browser implementations.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential attack vectors for more sophisticated exploitation techniques. Remote attackers can leverage this weakness to gather intelligence about user sessions, browser internals, or system configurations that could aid in subsequent attacks. The medium severity classification indicates that while the vulnerability does not directly enable arbitrary code execution or complete system compromise, it provides attackers with valuable information that can be used to craft more targeted and effective attacks against users or systems. This type of information disclosure can serve as a stepping stone for advanced persistent threats or privilege escalation attempts.
Mitigation strategies for this vulnerability involve immediate browser updates to versions 151.0.7922.72 or later, which contain the necessary patches to address the memory access control issues within WebXR implementation. Organizations should also implement network-level monitoring to detect suspicious HTML content patterns and consider deploying web application firewalls that can block known malicious payloads. Additionally, users should be educated about the importance of keeping their browser software updated and avoiding untrusted websites that might contain malicious WebXR content. From a compliance perspective, this vulnerability aligns with CWE-200 (Information Exposure) and could be categorized under ATT&CK technique T1059.007 (Command and Scripting Interpreter: JavaScript) when exploited through malicious web content.
The broader implications of this vulnerability highlight the increasing complexity of modern web APIs and their potential security risks, particularly in immersive technologies like WebXR that require extensive memory management and hardware interaction capabilities. Browser vendors must maintain rigorous security testing procedures for all implemented features, especially those dealing with low-level system resources and user data access. This incident underscores the necessity of comprehensive security reviews for emerging web standards and the importance of maintaining up-to-date security practices in rapidly evolving technological environments. The vulnerability also demonstrates how seemingly specialized APIs can introduce unexpected attack surfaces that require careful attention to memory safety and access control mechanisms.