CVE-2026-100793EPSS p19.3%

CVE-2026-100793CVE-2026-100793

Description

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS0.29% probability of exploitation · percentile 19.3% · 2026-10-05T12:00:23Z
Last modified2026-10-01
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.