CVE-2026-56157

Description

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

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Produits concernés

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Server Subscription Edition
• Microsoft sharepoint server

Scores CVSS

Faiblesses (CWE)

• CWE-284

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56157 PatchVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories