CVE-2026-118022: Sandbox escape due to use-after-free in the Disability Access APIs component

Published Oct 27, 2026
·
Updated

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

Affected Software

1 affected componentFixes available
Mozilla Firefox<159
159

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 159
  2. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 159

Event History

Oct 27, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·02:06 PM
Data Sourced
via MITRE·02:06 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Firefox versions are affected?

The issue was fixed in Firefox 159. The provided data does not identify the earliest affected version or affected release channels.

2

What access would an attacker need to exploit this issue?

The provided data identifies this as a sandbox escape caused by a use-after-free in the Disability Access APIs component, but it does not specify the attacker’s required access, interaction prerequisites, or exploit delivery method.

3

Is there a workaround if updating is not immediately possible?

No workaround or mitigation is provided in the available data. Updating to Firefox 159 or later is the stated fix.

Company

Resources

Contact

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