CVE Catalog
CVE-2026-63516
MediumCVSS 6.5Exploitation Probability (EPSS)
Elevated risk1.24%
66th percentile - higher than 66% of all known CVEs
Summary
A deserialization of untrusted data vulnerability in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Risk Assessment
An authorized attacker could impersonate other users or systems, potentially leading to unauthorized actions.
Recommendation
Apply security patches provided by Microsoft for SharePoint.
Original NVD description (English source)
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.