CVE-2026-92047
Received Received - Intake

Privilege Escalation in Firefox Crash Reporting

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Privilege escalation in the Crash Reporting 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-2026-92047
EUVD
EUVD-2026-78510

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 Crash Reporting component. It allows an attacker to gain higher privileges than intended, potentially taking control of the affected system. The issue was resolved in Firefox version 156 and Firefox ESR version 153.3.

Impact Analysis

An attacker could exploit this to gain unauthorized access, install malware, steal data, or perform actions with elevated permissions. Users running vulnerable versions of Firefox are at risk if the attacker can trick them into visiting a malicious site or opening a crafted file.

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 Crash Reporting component.

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