CVE-2026-100768: Use-after-free in the Graphics: WebGPU component

Published Sep 29, 2026
·
Updated

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.

Affected Software

1 affected componentFixes available
Mozilla Firefox<157
157

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 157
  2. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 157

Event History

Sep 29, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·12:35 PM
Data Sourced
via MITRE·12:35 PM
Description
Data Sourced
via NVD·01:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which Firefox versions are affected?

The issue was fixed in Firefox 157. The provided information does not identify the earliest affected version.

2

Which component should be prioritized during triage?

The vulnerability is in Firefox's Graphics: WebGPU component. Systems using Firefox should be evaluated for whether they have been updated to Firefox 157 or later.

Contact

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