CVE-2026-74956 in Firefoxinformação

Sumário

de MITRE • 18/08/2026

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

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An in-depth analysis is available in our curated vulnerability entry.

Responsável

Mozilla

Reservar

17/08/2026

Divulgação

18/08/2026

Moderação

aceite

Entrada

VDB-391611

CPE

pronto

EPSS

0.00282

KEV

não

Atividades

muito baixo

Sector

Insurance, Government, ...

Fontes

MITREhttps://www.cve.org/CVERecord?id=CVE-2026-74956
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-74956
CVE Detailshttps://www.cvedetails.com/cve/CVE-2026-74956/

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