CVE-2026-55053 in Office

Resumen

por MITRE • 2026-07-14

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

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• Responsable: Microsoft
• Reservar: 2026-06-16
• Divulgación: 2026-07-14
• Moderación: aceptado
• Artículo: VDB-378874
• CPE: listo
• CWE: CWE-120 (confirmado)
• CVSS: 4.8 (VulDB)
• EPSS: 0.00310
• KEV: no
• Actividades: muy bajo
• Sector: Finance, Insurance, ...

Fuentes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-55053
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-55053
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-55053/