CVE-2025-53770

⚠ KEVEPSS 88.5%

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Added to CISA KEV: 7/20/2025

Description

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.

Affected packages (0)

No package mapping in OSV.