CVE Watchtower

CVE-2026-63520NVD

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Severity Level

HIGH(8.1)

Published Date

Aug 11, 2026

Last Modified

Aug 13, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

2.93%Probability

Root Weakness (CWE)

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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CVE-2026-63520CVSS 8.1
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
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