Remote Code Execution Vulnerability in Microsoft Office SharePoint

CVE-2026-26114

What is CVE-2026-26114?

In Microsoft Office SharePoint, a vulnerability exists that enables an authorized attacker to manipulate untrusted data, leading to potential remote code execution. This flaw allows the attacker to send serialized data that can be improperly processed by the SharePoint server. If successfully exploited, this could compromise the confidentiality and integrity of the SharePoint environment, enabling the execution of arbitrary code over the network. Organizations must ensure they are aware of this issue and apply necessary updates to mitigate associated risks.

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