CVE-2026-121842

Vendor

Mozilla

Product

Firefox for iOS

CVSS v3.1

8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exposure class

Mobile OS, Browser

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 44
   CVE NVD 3h ago

   Privilege escalation in the Reader View component in Firefox for iOS.

   Privilege escalation in the Reader View component in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.

   CVSS 8.8 Fix available CVE-2026-121842 Mozilla