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CVE-2025-53760: Microsoft SharePoint Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-12 · updated 2026-06-17
• Weakness: CWE-918

Description

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.18526.20518; 2016, 2019 — fixed in 16.0.18526.20518
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.18526.20518 — fixed in 16.0.18526.20518
• Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5513.1002 — fixed in 16.0.5513.1002
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10417.20041 — fixed in 16.0.10417.20041

How to fix

Upgrade to a fixed version: Microsoft SharePoint Server 16.0.18526.20518; Microsoft SharePoint Server Subscription Edition 16.0.18526.20518; Microsoft Sharepoint Enterprise Server 2016 16.0.5513.1002; Microsoft SharePoint Server 16.0.10417.20041. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53760

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