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CVE-2023-36764: Microsoft SharePoint Server Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-12 · updated 2026-06-17
• Weakness: CWE-73

Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Affected products

• Microsoft SharePoint Server: 2016, 2019
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.16731.20180 — fixed in 16.0.16731.20180
• Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5413.1001 — fixed in 16.0.5413.1001
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10402.20016 — fixed in 16.0.10402.20016

How to fix

Upgrade to a fixed version: Microsoft SharePoint Server Subscription Edition 16.0.16731.20180; Microsoft Sharepoint Enterprise Server 2016 16.0.5413.1001; Microsoft SharePoint Server 16.0.10402.20016. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36764
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36764

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