CVE-2026-14080 Overview
CVE-2026-14080 is an input validation vulnerability [CWE-20] in the TabSwitcher component of Google Chrome on Android. Versions prior to 150.0.7871.47 fail to properly validate untrusted input, allowing a remote attacker to bypass navigation restrictions through malicious network traffic. Chromium classified the security severity as Low, and the CVSS score of 4.3 reflects limited integrity impact with user interaction required. Successful exploitation requires the victim to interact with attacker-controlled content, but no privileges or credentials are needed to trigger the flaw.
Critical Impact
Remote attackers can bypass navigation restrictions in Chrome for Android's TabSwitcher, undermining browser security boundaries designed to control page navigation and prevent unauthorized redirection.
Affected Products
- Google Chrome on Android versions prior to 150.0.7871.47
- Chromium-based mobile browsers sharing the affected TabSwitcher code path
- Android devices running vulnerable Chrome builds
Discovery Timeline
- 2026-06-30 - CVE-2026-14080 published to NVD
- 2026-07-01 - Last updated in NVD database
Technical Details for CVE-2026-14080
Vulnerability Analysis
The vulnerability resides in Chrome for Android's TabSwitcher component, which manages tab state transitions and navigation between browser tabs. The component accepts untrusted input without sufficient validation, enabling an attacker to influence navigation logic through crafted network responses.
Browser navigation restrictions enforce security policies such as same-origin controls, scheme validation, and restricted URL handling. When TabSwitcher processes attacker-controlled data without validating scheme, target, or navigation context, these policies can be circumvented. The attack requires user interaction, meaning the victim must open a malicious page or interact with a crafted resource loaded over the network.
Root Cause
The root cause is improper input validation [CWE-20] in the TabSwitcher code path on Android. Untrusted data flowing through tab navigation handlers is not sanitized or checked against expected constraints before it influences navigation decisions. This design gap enables logic that should be gated by navigation policy to execute under attacker-controlled conditions.
Attack Vector
Exploitation is network-based. An attacker hosts or injects malicious content into network traffic that a Chrome for Android user loads. When the victim interacts with the attacker-controlled context, the TabSwitcher processes the crafted input and bypasses navigation restrictions. The impact is limited to integrity — attackers cannot directly leak data or crash the browser through this flaw alone, but the bypass can serve as a stepping stone in a broader exploit chain involving phishing or origin confusion.
No verified public exploit code is available. Technical specifics are tracked in the Chromium Issue Tracker Entry and the Google Chrome Stable Update release notes.
Detection Methods for CVE-2026-14080
Indicators of Compromise
- Chrome for Android clients reporting version strings below 150.0.7871.47 in User-Agent telemetry
- Unexpected navigation events from mobile browsers to domains outside the originally requested origin
- Network traffic patterns delivering crafted HTML or redirect responses to Android Chrome users followed by anomalous tab transitions
Detection Strategies
- Inventory mobile endpoints and identify Chrome for Android installations at vulnerable versions using MDM or UEM reporting
- Monitor web proxy and DNS logs for user sessions that pivot between unrelated origins immediately after loading untrusted content
- Correlate mobile browser telemetry with threat intelligence feeds flagging domains that exploit navigation-bypass techniques
Monitoring Recommendations
- Enforce mobile device compliance policies that report installed browser versions to a central management console
- Alert on Chrome for Android clients that remain on builds older than 150.0.7871.47 beyond the patch rollout window
- Track outbound requests from Android devices to newly registered or low-reputation domains delivering redirect-heavy content
How to Mitigate CVE-2026-14080
Immediate Actions Required
- Update Google Chrome on Android to version 150.0.7871.47 or later through the Google Play Store
- Push mandatory browser updates via mobile device management for corporate-managed Android fleets
- Notify users of the update requirement and verify installation through endpoint compliance reporting
Patch Information
Google addressed CVE-2026-14080 in Chrome for Android 150.0.7871.47. Users and administrators should install the update through the Google Play Store or enterprise MDM channels. Release details are available in the Google Chrome Stable Update announcement, and the underlying fix is referenced in the Chromium Issue Tracker Entry.
Workarounds
- Restrict browsing to trusted sites on unpatched Android devices until the update is applied
- Use enterprise mobile threat defense tooling to block access to known malicious domains and redirectors
- Disable or limit use of Chrome for Android on high-value mobile accounts until the patched version is confirmed installed
# Verify installed Chrome version on a managed Android device via ADB
adb shell dumpsys package com.android.chrome | grep versionName
# Expected patched output:
# versionName=150.0.7871.47
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
