CVE-2026-8388

—

CVSS 3.1

6.5 medium

EPSS

<1%p16

Published

May 12, 2026 (May 12, 2026)

Modified

Jul 15, 2026

Description

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Vendors: mozilla
Products: firefox
Weakness: CWE-119, CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news0 stories

No ingested article mentions this CVE yet.