CVE-2026-92073
Received Received - Intake

Privilege Escalation in Firefox

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
CVE-2026-92073
EUVD
EUVD-2026-78458

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mozilla firefox 156
mozilla firefox_esr 153.3

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is a privilege escalation vulnerability in Firefox's Enterprise Policies component. It allows an attacker with limited access to gain higher privileges than intended. The issue was resolved in Firefox version 156 and Firefox ESR version 153.3.

Impact Analysis

If exploited, this vulnerability could let an attacker with basic access gain elevated permissions on your system. This might allow them to install software, access sensitive data, or perform actions they shouldn't be able to. Users running vulnerable Firefox versions are at risk.

Compliance Impact

The vulnerability allows privilege escalation, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR by risking data confidentiality and HIPAA by potentially exposing protected health information.

Mitigation Strategies

Update Firefox to version 156 or later and Firefox ESR to version 153.3 or later to address the privilege escalation vulnerability in the Enterprise Policies component.

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