CVE-2026-2785

Invalid pointer in the JavaScript Engine component

High · published February 24, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
44.3
In the wild
Unconfirmed
What it is

Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00534 · 44.3th percentile
Published
2026-02-24T13:33Z
EPSS history
Timeline
  • 24 FEB 13:33Z
    Invalid pointer in the JavaScript Engine component
    cvelistv5