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CVE-2026-8963
published 2026-05-19

CVE-2026-8963: Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Affected

4 ranges
VendorProductVersion rangeFixed in
mozillafirefox< Firefox 151Firefox 151
mozillafirefox< 151.0.0151.0.0
mozillathunderbird< Thunderbird 151Thunderbird 151
mozillathunderbird< 151.0.0151.0.0