← Back to CVE search

CVE-2026-74962

Firefox

Description

Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 8.1EPSS 0.164%Risk 0.82
View source
Published
2026-08-18 13:17:33
Affected versions
<154
Type
Web application
Last modified
2026-08-19 16:38:05
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N