VULNERABILITY INTELLIGENCE

CVE-2026-2783

CVSS score7.5 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-02-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Weakness classification

  • nvd@nist.gov: CWE-843
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-200

Primary references