PT-2026-41917 · Mozilla · Firefox+1

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CVE-2026-8963

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Published

2026-05-19

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Updated

2026-07-25

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:C/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Thunderbird versions prior to 151
Description A spoofing issue exists within the Web Speech component.

Fix

Authentication Bypass by Spoofing

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Weakness Enumeration

Related Identifiers

BDU:2026-11267
CVE-2026-8963
OPENSUSE-SU-2026:10863-1
OPENSUSE-SU-2026:11373-1

Affected Products

Firefox
Thunderbird