CVE-2026-58277: Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

PriorityP262high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

0.74%

50.5th percentile

Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_sharepoint_enterprise_server_2016	>= 16.0.0 < 16.0.5561.1001	16.0.5561.1001
microsoft	microsoft_sharepoint_server_2019	>= 16.0.0 < 16.0.10417.20175	16.0.10417.20175
microsoft	sharepoint_server	—	—
microsoft	sharepoint_server	—	—

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