CVE-2026-66805
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS
8.8
Alto
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 11 ago 2026 · Última mod.: 11 ago 2026 · CWE-502
Sin historial EPSS suficiente todavía.
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-703218.8 ALT—
———Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.6hCVE-2026-668088.8 ALT—
———Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.6hCVE-2026-658158.8 ALT—
———Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.6hCVE-2026-656658.8 ALT—
———Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.6hCVE-2026-656638.8 ALT—
———Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.6hCVE-2026-656588.8 ALT—
———Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.6h