CVE-2026-16374

Information disclosure in the Framework component in DevTools

High · published July 21, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
24.0
In the wild
Unconfirmed
What it is

Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00322 · 24.0th percentile
Published
2026-07-21T12:37Z
EPSS history
Timeline
  • 21 JUL 12:37Z
    Information disclosure in the Framework component in DevTools
    cvelistv5