Microsoft SharePoint Online Elevation of Privilege Vulnerability Allowing Remote Code Execution

A vulnerability allowing elevation of privilege has been identified in Microsoft SharePoint Online. This issue arises from the deserialization of untrusted data, which could potentially be exploited to execute remote code. The vulnerability has been assigned a CVSS base score of 9.8, indicating critical severity.

Impact

Exploitation of this vulnerability could lead to unauthorized elevation of privilege, allowing an attacker to execute code remotely on the affected system.