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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-20963

Microsoft SharePoint Remote Code Execution Vulnerability

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft SharePoint Enterprise Server 2016

  • 16.0.0 to < 16.0.5535.1001affected

Microsoft Microsoft SharePoint Server 2019

  • 16.0.0 to < 16.0.10417.20083affected

Microsoft Microsoft SharePoint Server Subscription Edition

  • 16.0.0 to < 16.0.19127.20442affected

References