LOWVulnerability

CVE-2026-56164

Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.

Properties

product
SharePoint Server
vulnerabilityName
Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability
epss_score
0.26636
cve_id
CVE-2026-56164
dueDate
2026-07-17
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
2026-07-14
epss_percentile
0.9792

Related Entities (3)

DESCRIBES (1)

[KEVEntry]Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability

ENRICHED_BY (1)

[Source]FIRST EPSS

KNOWN_EXPLOITED (1)

[Source]CISA KEV

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CVE-2026-56164 — Ninja Signal Threat Intelligence | Ninja Signal