CVSS 10.0CVSS 10.0 · CRITICAL
CVE-2026-0881
Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
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):
CWE-284CWE-693EPSS
Probabilidad de explotación (próx. 30 días): 0.0031 (0.3%)
Percentil: 22.5%
EPSS: 2026-07-14
Afecta
mozilla:firefoxmozilla:thunderbirdDescripción técnica
Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
Publicada: 13/1/2026, 14:16:38
Última modificación: 15/7/2026, 2:17:59
Referencias
- https://bugzilla.mozilla.org/show_bug.cgi?id=2005845
- https://www.mozilla.org/security/advisories/mfsa2026-01/
- https://www.mozilla.org/security/advisories/mfsa2026-04/
- https://access.redhat.com/security/cve/CVE-2026-0881
- https://bugzilla.redhat.com/show_bug.cgi?id=2428970
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0881.json