CVE-2026-118022
Received Received - Intake

Sandbox Escape via Use-After-Free in Firefox Disability Access APIs

Vulnerability report for CVE-2026-118022, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 159.

CVSS Scores

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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
EUVD

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This is a sandbox escape vulnerability caused by a use-after-free error in the Disability Access APIs component of Firefox. A use-after-free occurs when a program continues to use a pointer after the memory it points to has been freed, potentially allowing attackers to execute arbitrary code or gain elevated privileges.

Impact Analysis

If exploited, this vulnerability could allow an attacker to break out of the browser's sandbox and run malicious code on your system with the same privileges as the Firefox process. This could lead to data theft, installation of malware, or unauthorized system access.

Mitigation Strategies

Update Firefox to version 159 or later to address the sandbox escape vulnerability in the Disability Access APIs component.

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