CVE-2026-92033

Received Received - Intake

Privilege Escalation in Firefox for Android

Publication date: 2026-09-15

Last updated on: 2026-10-05

Assigner: Mozilla Corporation

Description

Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-10-05

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-92033

EUVD

EUVD-2026-78496

Affected Vendors & Products

Vendor	Product	Version / Range
mozilla	firefox_mobile	to 156.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This is a privilege escalation vulnerability in Firefox for Android. It allows an attacker to gain higher privileges than intended, potentially taking control of the application or device.

Detection Guidance

This vulnerability is specific to Firefox for Android and was patched in Firefox 156. To detect it, check the installed version of Firefox on Android devices. If the version is below 156, the system is vulnerable. Use the following command on Android: adb shell dumpsys package org.mozilla.firefox | grep versionName. If the version is less than 156, update Firefox immediately.

Impact Analysis

An attacker could exploit this to access sensitive data, install malicious software, or perform unauthorized actions on your device through Firefox for Android.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with standards like GDPR or HIPAA. However, privilege escalation vulnerabilities can potentially lead to unauthorized access to sensitive data, which may violate confidentiality requirements in GDPR and HIPAA.

Mitigation Strategies

Update Firefox for Android to version 156 or later to address the privilege escalation vulnerability.

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