CVE-2026-8970

ALTO 8.8CVE-2026-8970 · Published 19/05/2026 · updated 23/07/2026

Em resumo

CVE-2026-8970 é uma vulnerabilidade ALTO (CVSS 8.8) que afeta firefox (mozilla), thunderbird (mozilla).
Chance de exploração nos próximos 30 dias (EPSS): 0.31%, maior que 23.6% das vulnerabilidades.
Correção: atualize para 140.11.0, 151.0.0, 140.11 ou posterior.

Package	Affected versions	Patched versions
firefox mozilla	`< 140.11.0< 151.0.0`	`140.11.0151.0.0`
thunderbird mozilla	`< 140.11< 151.0.0`	`140.11151.0.0`

Description

Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

References

bugzilla.mozilla.org/show_bug.cgi · Permissions Required
mozilla.org/security/advisories/mfsa2026-46 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-48 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-50 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-51 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 140.11.0< 151.0.0

140.11.0151.0.0

thunderbird

mozilla

< 140.11< 151.0.0

140.11151.0.0

Mais vulnerabilidades de firefox

Ver tudo →