CVE-2026-92071

9.6 Critique

Publiée le 15/09/2026 à 15:17 · Modifiée le 05/10/2026 à 21:40 · Analysée par le NVD · Source : security@mozilla.org

Description

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

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Produits concernés

Mozilla Firefox
Mozilla Thunderbird

Scores CVSS

Version	Score	Source	Vecteur
3.1	9.6 Critique	134c704f-9b21-4f2e-91b3-4a467353bcc0	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-119

Références

https://bugzilla.mozilla.org/show_bug.cgi?id=2061231 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-90/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-93/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-94/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-96/ Vendor Advisory

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories