CVE-2026-12293

CRITICAL

INFO Priority: 0.03 BB Relevance: 80/100

Published: 2026-06-16 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

AV: Network

AC: Low

PR: None

UI: None

S: Unchanged

C: High

I: High

A: High

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CWE-416 CWE-825

Vendor	Product	Version
mozilla	firefox	< 152.0.0
mozilla	thunderbird	< 152.0.0

Vendor Advisory

Vendor Advisory

Permissions Required

80 / 100

✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

9.8 / 10.0 v3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.30%

Raw Score 0.003020

Percentile 22.9%

Date 2026-10-28

nvd ref →