CVE-2026-74965

Description

Privilege escalation in the Shell Integration component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

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Produits concernés

• Mozilla Firefox
• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-269

Références

• https://bugzilla.mozilla.org/show_bug.cgi?id=2053455 Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2026-74/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-76/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-77/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-78/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-79/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-80/ Vendor Advisory

Ailleurs

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