HIGHCVSS v3.1 8.8Vulnerability

CVE-2026-121842

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

Properties

Severity
HIGH
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Epss score
0.00294
Cvss severity
HIGH
Cvss score
8.8
Retrieved at
2026-11-10T23:35:17+00:00
Last source
FIRST EPSS
Cvss version
3.1
Score
8.8
Cve id
CVE-2026-121842
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-09T15:13:27+00:00
Name
CVE-2026-121842
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published at
2026-11-09T14:17:08.400
Last modified
2026-11-10T16:27:13.943
Epss percentile
0.22162

Related research

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2026-121842 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal