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CVE-2026-20949
HIGH7.8
Descripcion
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
Detalles CVE
Puntuacion CVSS v3.17.8
SeveridadHIGH
Vector CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vector de ataqueLOCAL
ComplejidadLOW
Privilegios requeridosNONE
Interaccion usuarioREQUIRED
Publicado1/13/2026
Ultima modificacion1/16/2026
Fuentenvd
Avistamientos honeypot0
Productos afectados
microsoft:365_appsmicrosoft:office_long_term_servicing_channel
Debilidades (CWE)
CWE-284
Referencias
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20949(secure@microsoft.com)
Correlaciones IOC
Sin correlaciones registradas
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