CVE-2026-21511: fallo de gravedad alta en Microsoft 365 Apps for Enterprise
Microsoft Outlook Spoofing Vulnerability
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 4.0%
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Productos afectados
Microsoft · Microsoft 365 Apps for EnterpriseMicrosoft · Microsoft Office 2019Microsoft · Microsoft Office LTSC 2021Microsoft · Microsoft Office LTSC 2024Microsoft · Microsoft Office LTSC for Mac 2021Microsoft · Microsoft Office LTSC for Mac 2024Microsoft · Microsoft SharePoint Enterprise Server 2016Microsoft · Microsoft SharePoint Server 2019Microsoft · Microsoft SharePoint Server Subscription EditionMicrosoft · Microsoft Word 2016CVEs relacionadas — Microsoft 365 Apps for Enterprise
En el mismo producto, de las más peligrosas a las menos.
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