ZDI-26-413: (Pwn2Own) Microsoft SharePoint Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability

From Zero Day Initiative ↗

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-50522.