CVE-2026-109720EPSS p3.9%

CVE-2026-109720CVE-2026-109720

Description

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Scoring

EPSS0.15% probability of exploitation · percentile 3.9% · 2026-10-16T12:02:51Z
Last modified2026-10-13
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.