CVE-2026-92049 in Firefox

Riassunto

di MITRE • 15/09/2026

Use-after-free in the Widget: Win32 component. This vulnerability was fixed in Firefox 156 and Firefox ESR 153.3.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsabile: Mozilla
• Prenotare: 15/09/2026
• Divulgazione: 15/09/2026
• Moderazione: accettato
• Voce: VDB-404204
• CPE: pronto
• CWE: CWE-416 (confermato)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso
• Settore: Education, Insurance, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-92049
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92049
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-92049/