CVE-2026-12293criticalCWE-416 CWE-825

CVE-2026-12293: falha crítica em Mozilla Firefox

Use-after-free in the Graphics: WebGPU component

Publicada em 16 jun 2026 · Atualizada em 15 jul 2026

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28Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 9.8epss 0.3%

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

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

Produtos afetados

Mozilla · Firefox Mozilla · Thunderbird

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Referências

https://access.redhat.com/security/cve/CVE-2026-12293 https://bugzilla.mozilla.org/show_bug.cgi?id=2039568 https://bugzilla.redhat.com/show_bug.cgi?id=2489216 https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12293.json https://www.mozilla.org/security/advisories/mfsa2026-57/https://www.mozilla.org/security/advisories/mfsa2026-60/