CVE-2025-47166

Microsoft SharePoint Server Remote Code Execution Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected

Microsoft · Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · Microsoft SharePoint Server Subscription Edition

CVSS v3.1 MICROSOFT

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

21.64% chance of exploitation in the next 30 days, 98th percentile

Published

2025-06-10

Updated

2026-02-26

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52349

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47166

References

• CVE Record
• NVD entry