CVE-2026-4702

Katalog CVE

CVSS 9.8 · Critical EPSS 0,67%

Kerentanan Access of Resource Using Incompatible Type ('Type Confusion') pada mozilla firefox. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Rincian

Terbit di NVD

24 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

EPSS (30 hari)

0,67% peluang dieksploitasi; lebih tinggi dari 50,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-20/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-22/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2013560 permissions required
• https://www.mozilla.org/security/advisories/mfsa2026-23/
• https://www.mozilla.org/security/advisories/mfsa2026-24/