ZeroHour

CVE-2026-74981

CVSS 3.1
8.1 high
EPSS
<1%p4
Published
()
Modified
Description

Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-346
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

In the news

No ingested article mentions this CVE yet.