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SharePoint Weak Authentication Vulnerability (CVE-2026-55040) - Vulnerability Database

SharePoint Weak Authentication Vulnerability (CVE-2026-55040)

Description

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

References

CVE-2026-55040

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Severity

Critical

Classification

CVE-2026-55040
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Tags

Missing Update
Known Vulnerabilities