CVE Watchtower

CVE-2026-45659NVD

Vulnerability Summary

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

Severity Level

HIGH(8.8)

Published Date

May 22, 2026

Last Modified

Jul 1, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

2.78%Probability

Root Weakness (CWE)

CWE-502: Unknown/Unlisted Weakness ↗

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

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

External References

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