8.8

CVE-2026-55052

Microsoft SharePoint Elevation of Privilege Vulnerability

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Sharepoint Server SwEditionsubscription Version < 16.0.19725.20434
Microsoft ≫ Sharepoint Server Version2016 SwEditionenterprise
Microsoft ≫ Sharepoint Server Version2019
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.65% 0.475
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55052
Patch
Vendor Advisory