CVE-2026-14008: Google Chrome Information Disclosure Flaw

CVE-2026-14008 Overview

CVE-2026-14008 is an uninitialized memory use vulnerability [CWE-457] in the WebXR component of Google Chrome on Android. The flaw affects Chrome versions prior to 150.0.7871.47. A remote attacker can exploit this issue by serving a crafted HTML page that triggers WebXR code paths using uninitialized memory. Successful exploitation allows the attacker to read potentially sensitive information from Chrome's process memory. Exploitation requires user interaction, since the victim must load the malicious page. Google has addressed the vulnerability in the stable channel update tracked in the Google Chrome Update Announcement.

Critical Impact
Remote attackers can leak sensitive data from Chrome renderer process memory on Android devices by luring users to a crafted web page that invokes WebXR APIs.

Affected Products

Google Chrome on Android prior to 150.0.7871.47
Google Android devices running vulnerable Chrome builds
WebXR component within the Chromium rendering engine

Discovery Timeline

2026-06-30 - CVE-2026-14008 published to NVD
2026-07-01 - Last updated in NVD database

Technical Details for CVE-2026-14008

Vulnerability Analysis

The vulnerability resides in the WebXR implementation within Chrome on Android. WebXR exposes virtual and augmented reality device APIs to JavaScript through the browser. Code paths in this component reference memory that has not been fully initialized before use. When JavaScript on a malicious page invokes specific WebXR functionality, the renderer processes structures containing residual data from previously used memory regions. The attacker cannot directly write to those regions, but they can influence which uninitialized data ends up returned or reflected back through JavaScript-visible interfaces. This produces an information disclosure primitive rather than a code execution primitive, aligning with the confidentiality-only impact reflected in the vector.

Root Cause

The root cause is a missing initialization step for one or more variables or buffers consumed by WebXR code paths, classified under [CWE-457] Use of Uninitialized Variable. The affected fields are read before being assigned deterministic values, exposing residual bytes from the renderer's heap or stack. Details on the specific code path are tracked in the Chromium Issue Tracker Entry.

Attack Vector

An attacker hosts a crafted HTML page that requests a WebXR session or invokes WebXR APIs that reach the vulnerable code path. The victim visits the page using a vulnerable Chrome build on Android, satisfying the user interaction requirement. The malicious JavaScript reads the uninitialized data exposed through WebXR return values or side channels. Recovered bytes can include pointers, cryptographic material, or fragments of other browsing session data present in the renderer process. No authentication or elevated privileges are required to stage the attack.

Detection Methods for CVE-2026-14008

Indicators of Compromise

Chrome on Android clients reporting a version string below 150.0.7871.47 in web server access logs or endpoint inventory
Unexpected inbound WebXR session requests to pages that do not legitimately use immersive-vr or immersive-ar features
Traffic to unfamiliar domains serving pages that call navigator.xr.requestSession() shortly after page load

Detection Strategies

Inventory installed Chrome versions across managed Android fleets using mobile device management (MDM) telemetry and flag builds below 150.0.7871.47
Inspect web proxy and DNS logs for user visits to newly registered or low-reputation domains that reference WebXR JavaScript APIs
Correlate browser crash reports and renderer anomalies on Android endpoints with visits to external content

Monitoring Recommendations

Enable and centralize Chrome version telemetry from Android endpoints through enterprise MDM or unified endpoint management
Monitor threat intelligence feeds for public proof-of-concept releases referencing CVE-2026-14008 or WebXR memory disclosure
Alert on outbound requests from mobile browsers to domains hosting WebXR content outside sanctioned business use cases

How to Mitigate CVE-2026-14008

Immediate Actions Required

Update Google Chrome on Android to version 150.0.7871.47 or later through the Google Play Store
Push the update to managed Android devices using MDM policies that enforce mandatory Chrome updates
Advise users to close and relaunch Chrome after the update to ensure all renderer processes load patched code

Patch Information

Google released the fix in the stable channel update for Chrome on Android. Deployment details and the full list of security fixes are documented in the Google Chrome Update Announcement. The underlying code change is tracked in the Chromium Issue Tracker Entry.

Workarounds

Restrict access to WebXR-enabled sites using enterprise browser policies until the patch is deployed
Disable the WebXR runtime via Chrome enterprise policy WebXRImmersiveArEnabled and related flags where supported
Instruct users to avoid untrusted links and unfamiliar immersive content on Android devices until updates complete

bash

# Verify installed Chrome version on managed Android endpoints via ADB
adb shell dumpsys package com.android.chrome | grep versionName

# Force policy refresh after pushing an updated Chrome enterprise policy
adb shell am broadcast -a com.google.android.apps.chrome.POLICY_UPDATED