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CVE-2024-43503: Microsoft SharePoint Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-08 · updated 2026-08-19
• Weakness: CWE-284

Description

Microsoft SharePoint Elevation of Privilege Vulnerability

Affected products

• Microsoft SharePoint Server: 2016, 2019
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.17928.20162 — fixed in 16.0.17928.20162
• Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5469.1000 — fixed in 16.0.5469.1000
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10415.20001 — fixed in 16.0.10415.20001

How to fix

Upgrade to a fixed version: Microsoft SharePoint Server Subscription Edition 16.0.17928.20162; Microsoft Sharepoint Enterprise Server 2016 16.0.5469.1000; Microsoft SharePoint Server 16.0.10415.20001. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43503

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