LOWVulnerability

CVE-2026-58644

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.

Properties

product
SharePoint
vulnerabilityName
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
epss_score
0.15873
cve_id
CVE-2026-58644
dueDate
2026-07-19
vendorProject
Microsoft
requiredAction
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discon
dateAdded
2026-07-16
epss_percentile
0.96641

Related Entities (3)

DESCRIBES (1)

[KEVEntry]Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

ENRICHED_BY (1)

[Source]FIRST EPSS

KNOWN_EXPLOITED (1)

[Source]CISA KEV

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CVE-2026-58644 — Ninja Signal Threat Intelligence | Ninja Signal