CVE-2026-74986

Katalog CVE

CVSS 9.1 · Critical EPSS 0,56%

Kerentanan Exposure of Sensitive Information to an Unauthorized Actor pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 9.1 (Critical) menurut CISA ADP.

Deskripsi (NVD)

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Rincian

Terbit di NVD

18 Agustus 2026

Terakhir diubah

25 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

EPSS (30 hari)

0,56% peluang dieksploitasi; lebih tinggi dari 44,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-74/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-77/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-78/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-80/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2060048 permissions required