CVE-2026-20963NVD

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

Severity Level

CRITICAL(9.8)

Published Date

Jan 13, 2026

Last Modified

Apr 1, 2026

Exploitation Status

????

EPSS Score (30-Day)

4.88%Probability

Root Weakness (CWE)

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVE Watchtower