CVE-2026-20963

CVE-2026-20963 — Deserialization of untrusted data in Microsoft Office SharePoint allows an unaut

📅 2026-01-13

🔴 Critical 🔥 No NVD Exploit Microsoft CVSS 9.8 🎯 EPSS 6.47%

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

Microsoft SharePoint

Exploit

CVE-2026-20963

NVD

Microsoft Patch Tuesday