BaselineWatch
Desk

CVE-2026-8388

6.5 medium exploit SSVC exploitation: none Modified

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.

Fix

Public exploits 1

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · mozillaNVD modified 2026-10-26 18:10

Affected (CPE criteria) 1

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

References 29