CVE-2026-4722
Received Received - Intake
Privilege Escalation in Firefox IPC Component Before

Publication date: 2026-03-24

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
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Meta Information
Published
2026-03-24
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2026-03-24
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4722
EUVD
EUVD-2026-14859
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox to 149.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a privilege escalation issue in the IPC (Inter-Process Communication) component of Firefox versions earlier than 149.

Impact Analysis

An attacker exploiting this vulnerability could gain elevated privileges within the affected Firefox browser, potentially allowing them to perform actions or access data beyond their normal permissions.

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