CVE-2026-84117
Received Received - Intake

Privilege Escalation in Firefox for Android

Publication date: 2026-09-01

Last updated on: 2026-09-01

Assigner: Mozilla Corporation

Description
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.

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Meta Information

Published
2026-09-01
Last Modified
2026-09-01
Generated
2026-09-01
AI Q&A
2026-09-01
EPSS Evaluated
N/A
NVD
CVE-2026-84117
EUVD
EUVD-2026-69069

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 155

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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Executive Summary

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

Impact Analysis

If exploited, this flaw could let attackers perform unauthorized actions on your device, such as accessing sensitive data, installing malware, or bypassing security restrictions.

Mitigation Strategies

Update Firefox for Android to version 155 or later to address the privilege escalation vulnerability.

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