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CVE-2026-0881
CRITICAL10.0
Description
Sandbox escape in the Messaging System component. This vulnerability affects Firefox < 147 and Thunderbird < 147.
Details CVE
Score CVSS v3.110.0
SeveriteCRITICAL
Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vecteur d'attaqueNETWORK
ComplexiteLOW
Privileges requisNONE
Interaction utilisateurNONE
Publie1/13/2026
Derniere modification1/22/2026
Sourcenvd
Observations honeypot0
Produits affectes
mozilla:firefoxmozilla:thunderbird
Faiblesses (CWE)
CWE-284CWE-693
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2005845(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-01/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-04/(security@mozilla.org)
Correlations IOC
Aucune correlation enregistree
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