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CVE-2026-63514high8.8

Microsoft SharePoint Server Remote Code Execution Vulnerability

Impact

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

Source excerpt · microsoft

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Microsoft · Microsoft SharePoint Enterprise Server 2016

Platforms: x64-based Systems

Version / rangeSource status
16.0.0 to before 16.0.5565.1001affected
microsoft version evidence

Microsoft · Microsoft SharePoint Server 2019

Platforms: x64-based Systems

Version / rangeSource status
16.0.0 to before 16.0.10417.20198affected
microsoft version evidence

Microsoft · Microsoft SharePoint Server Subscription Edition

Platforms: x64-based Systems

Version / rangeSource status
16.0.0 to before 16.0.19725.20522affected
microsoft version evidence

Original source description

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

References