CVE-2026-109755
Received Received - Intake

Sandbox Escape in Firefox DOM Content Processes

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Mozilla Corporation

Description
Sandbox escape in the DOM: Content Processes component. This vulnerability was fixed in Firefox 158.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-109755
EUVD
EUVD-2026-98516

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 158

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 is a sandbox escape vulnerability in Firefox's DOM: Content Processes component. It allows malicious code to break out of the browser's security sandbox, potentially gaining access to the host system.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run arbitrary code on your system with the same privileges as your user account. This could lead to data theft, malware installation, or system compromise.

Mitigation Strategies

Update Firefox to version 158 or later to address the sandbox escape vulnerability in the DOM: Content Processes component.

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