CVE-2026-55040

Microsoft SharePoint Weak Authentication Vulnerability

Sharepoint Server

Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.

14. Jul 2026

Ausgewertete Quellen

• Microsoft
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55040
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-55040
• CISA
  Microsoft SharePoint Weak Authentication Vulnerability
• NVD
  CVE-2026-55040