CVE-2025-53770

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Beschreibung

Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.

Schweregrad: CRITICAL

CVSS-Score: 9.8

Hersteller: Microsoft

Produkt: SharePoint