Vulnerability Details CVE-2026-58277
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 56.5%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-58277
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cpe:2.3:a:microsoft:sharepoint_server:2016
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cpe:2.3:a:microsoft:sharepoint_server:2019