CVE-2026-14073 Overview
CVE-2026-14073 affects Google Chrome versions prior to 150.0.7871.47. The vulnerability stems from insufficient validation of untrusted input in the WebXR component. A remote attacker can bypass navigation restrictions by convincing a user to visit a crafted HTML page. Google classifies the Chromium security severity as Low, while the National Vulnerability Database assigns a CVSS 3.1 score of 4.3. The flaw is tracked under [CWE-20] (Improper Input Validation) and requires user interaction to exploit. No public proof-of-concept or in-the-wild exploitation has been reported.
Critical Impact
A remote attacker can bypass browser navigation restrictions through a crafted HTML page interacting with WebXR, potentially redirecting users to attacker-controlled destinations.
Affected Products
- Google Chrome prior to 150.0.7871.47 on Microsoft Windows
- Google Chrome prior to 150.0.7871.47 on Apple macOS
- Google Chrome prior to 150.0.7871.47 on Linux
Discovery Timeline
- 2026-06-30 - CVE-2026-14073 published to NVD
- 2026-07-01 - Last updated in NVD database
Technical Details for CVE-2026-14073
Vulnerability Analysis
CVE-2026-14073 resides in Chrome's WebXR implementation, the API that provides web content with access to virtual and augmented reality devices. The component fails to sufficiently validate untrusted input supplied through a crafted HTML page. This validation gap enables a remote attacker to bypass navigation restrictions that the browser normally enforces on cross-origin or user-initiated transitions.
Successful exploitation requires user interaction, such as visiting a malicious page or engaging with WebXR content. The vulnerability does not directly compromise confidentiality or availability but affects integrity by permitting unauthorized navigation state changes. Attackers can leverage this behavior to facilitate phishing, malicious redirects, or user interface spoofing that supports further social engineering.
Root Cause
The root cause is improper input validation ([CWE-20]) within the WebXR pipeline. Chrome's navigation policy relies on assumptions about the origin and format of data crossing the WebXR boundary. When those assumptions fail, malformed inputs bypass the checks that gate navigation to a new URL or context.
Attack Vector
The attack vector is network-based and requires the victim to load attacker-controlled HTML in a vulnerable Chrome build. The attacker crafts an HTML document that exercises the WebXR API in a way that circumvents navigation guards. No authentication or elevated privileges are required. Because exploitation depends on user interaction, drive-by delivery through compromised advertising, phishing links, or watering-hole sites is the most likely delivery method. Refer to the Chromium Issue Tracker Entry for technical details.
Detection Methods for CVE-2026-14073
Indicators of Compromise
- Chrome browser processes on endpoints running versions earlier than 150.0.7871.47.
- Outbound HTTPS connections to unfamiliar domains immediately following WebXR-related page loads.
- Browser telemetry showing unexpected navigation events without corresponding user-initiated clicks.
Detection Strategies
- Inventory installed Chrome versions across Windows, macOS, and Linux endpoints and flag any build below 150.0.7871.47.
- Monitor web proxy or DNS logs for URL patterns consistent with WebXR-hosted redirect chains and phishing landing pages.
- Correlate browser process telemetry with navigation events to identify anomalous transitions that occur without user click activity.
Monitoring Recommendations
- Ingest browser and endpoint telemetry into a centralized analytics platform to enable version-based hunting queries.
- Track patch compliance for Chrome using software inventory tooling and alert on deviations from the fixed build.
- Review advisory feeds such as the Google Chrome Update Blog for related follow-up vulnerabilities in the WebXR component.
How to Mitigate CVE-2026-14073
Immediate Actions Required
- Update Google Chrome to version 150.0.7871.47 or later on all Windows, macOS, and Linux endpoints.
- Force restart of Chrome after the update to ensure the patched binaries are loaded into active browser sessions.
- Communicate the update requirement to end users and validate compliance through endpoint management tooling.
Patch Information
Google addressed CVE-2026-14073 in the Chrome Stable channel release documented in the Google Chrome Update Blog. Administrators managing Chrome through enterprise policy should confirm that auto-update is enabled and that pinned versions are raised to 150.0.7871.47 or newer.
Workarounds
- Disable WebXR features through enterprise policy where virtual and augmented reality functionality is not required.
- Restrict access to untrusted websites using web filtering and DNS-based controls until patching completes.
- Educate users about the risk of clicking unsolicited links that may deliver crafted HTML content.
# Example: enforce minimum Chrome version via enterprise policy on Windows
# Set the following registry value to require the patched build
reg add "HKLM\Software\Policies\Google\Chrome" /v TargetVersionPrefix /t REG_SZ /d "150.0.7871.47" /f
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
