CVE-2026-12293

Published Jun 16, 2026

Last updated 3 days ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-12293 is identified as a use-after-free vulnerability found within the Graphics: WebGPU component. This flaw affects both Firefox and Thunderbird applications. The vulnerability was addressed and fixed in Firefox version 152 and Thunderbird version 152. Some reports indicate that this issue could potentially be leveraged for code execution.

Description
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Source
security@mozilla.org
NVD status
Modified
Products
firefox, thunderbird

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Weaknesses

nvd@nist.gov
CWE-416
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-416

Social media

Hype score
Not currently trending

Configurations