VULNERABILITY INTELLIGENCE

CVE-2026-8390

CVSS score7.3 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-05-12
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.

Weakness classification

  • CWE-416: Use After Free
  • CWE-825: Expired Pointer Dereference

Primary references