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CVE-2024-26251: Microsoft SharePoint Server Spoofing Vulnerability

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-09 · updated 2026-06-17
• Weakness: CWE-79

Description

Microsoft SharePoint Server Spoofing Vulnerability

Affected products

• Microsoft SharePoint Server: before 16.0.17328.20246; 2016, 2019 — fixed in 16.0.17328.20246
• Microsoft SharePoint Server 2016: from 16.0.0.0 before 16.0.5443.1000 — fixed in 16.0.5443.1000
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.17328.20246 — fixed in 16.0.17328.20246
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10409.20027 — fixed in 16.0.10409.20027

How to fix

Upgrade to a fixed version: Microsoft SharePoint Server 16.0.17328.20246; Microsoft SharePoint Server 2016 16.0.5443.1000; Microsoft SharePoint Server Subscription Edition 16.0.17328.20246; Microsoft SharePoint Server 16.0.10409.20027. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26251
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26251

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