CVSS 10.0CVSS 10.0 · CRITICAL
CVE-2026-4692
Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Ver en NVDSeveridad
Puntaje: 10.0(CRITICAL)
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HAV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: CHANGED
C: HIGH
I: HIGH
A: HIGH
Tipo de falla (CWE):
NVD-CWE-noinfoCWE-653EPSS
Probabilidad de explotación (próx. 30 días): 0.0049 (0.5%)
Percentil: 38.6%
EPSS: 2026-07-14
Afecta
mozilla:firefoxmozilla:thunderbirdDescripción técnica
Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Publicada: 24/3/2026, 13:16:05
Última modificación: 15/7/2026, 2:22:47
Referencias
- https://bugzilla.mozilla.org/show_bug.cgi?id=2017643
- https://www.mozilla.org/security/advisories/mfsa2026-20/
- https://www.mozilla.org/security/advisories/mfsa2026-21/
- https://www.mozilla.org/security/advisories/mfsa2026-22/
- https://www.mozilla.org/security/advisories/mfsa2026-23/
- https://www.mozilla.org/security/advisories/mfsa2026-24/
- https://access.redhat.com/errata/RHSA-2026:5930
- https://access.redhat.com/errata/RHSA-2026:5931