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Medium · 6.5 Scanner template Public exploit CVE-2025-53771 EUVD-2025-22040GHSA-6pmq-337c-gv96

Microsoft SharePoint Server Spoofing Vulnerability

Published Jul 20, 2025 · Updated Feb 13, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Microsoft SharePoint Enterprise Server 2016 Product: Microsoft SharePoint Server 2019 Product: Microsoft SharePoint Server Subscription Edition

Description

Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – < 16.0.5513.1001 16.0.5513.1001
Microsoft Microsoft SharePoint Server 2019 16.0.0 – < 16.0.10417.20037 16.0.10417.20037
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 – < 16.0.18526.20508 16.0.18526.20508

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Advisories 3

References