CVE-2026-117868
Received Received - Intake

Sandbox Escape in Firefox DOM Networking

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-117868
EUVD
EUVD-2026-111039

Affected Vendors & Products

Currently, no data is known.

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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 networking component. It allows malicious code to break out of the browser's security sandbox, potentially gaining unauthorized access to system resources or data.

Impact Analysis

If exploited, this vulnerability could allow attackers to run arbitrary code on your system, steal sensitive data, install malware, or perform other malicious actions outside the browser's security restrictions.

Mitigation Strategies

Update Firefox to version 159 or later, Firefox ESR to version 115.44 or later, or Firefox ESR to version 153.6 or later to address the sandbox escape vulnerability in the DOM networking component.

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