CVE-2026-16404
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Spoofing Vulnerability in Firefox for Android

Publication date: 2026-07-21

Last updated on: 2026-07-24

Assigner: Mozilla Corporation

Description
Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.

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Meta Information

Published
2026-07-21
Last Modified
2026-07-24
Generated
2026-08-10
AI Q&A
2026-07-21
EPSS Evaluated
2026-08-09
NVD
CVE-2026-16404
EUVD
EUVD-2026-46242

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox_mobile to 153.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-290 This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

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Executive Summary

This is a spoofing vulnerability in Firefox for Android where an attacker could potentially deceive users by displaying misleading content or interfaces. It was patched in Firefox version 153.

Detection Guidance

Detection requires checking Firefox for Android version. If the installed version is below 153, the system is vulnerable. Compare installed version with latest release notes or use package manager commands like 'adb shell dumpsys package org.mozilla.firefox | grep versionCode' on Android.

Impact Analysis

An attacker might trick you into thinking you are interacting with a legitimate app or website when you are not. This could lead to phishing attacks, unauthorized actions, or theft of sensitive information.

Compliance Impact

The provided CVE data does not specify how this vulnerability affects compliance with standards like GDPR or HIPAA. The description only mentions a spoofing issue in Firefox for Android fixed in version 153.

Mitigation Strategies

Update Firefox for Android to version 153 or later to address the spoofing vulnerability.

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