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SharePoint Missing Authentication for Critical Function Vulnerability (CVE-2026-64921) - Vulnerability Database

SharePoint Missing Authentication for Critical Function Vulnerability (CVE-2026-64921)

Description

Missing authentication for critical function in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

References

CVE-2026-64921

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Severity

High

Classification

CVE-2026-64921
CWE-306
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update
Known Vulnerabilities