# CVE-2025-49706

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

- Page: https://www.vulneraibility.com/cve/CVE-2025-49706
- CVSS: 6.5
- Known exploited: yes, in CISA KEV since 2025-07-22; CISA due date 2025-07-23; known ransomware use
- EPSS: 99.06%
- Public exploit code: 1 Metasploit module · 1 GitHub proof of concept · 1 Nuclei template (first 2025-07-20)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2025-07-22)
- Weakness: CWE-287
- Published: 2025-07-08

## Affected versions

- Microsoft Microsoft SharePoint Enterprise Server 2016: affected >= 16.0.0 and < 16.0.5508.1000
- Microsoft Microsoft SharePoint Server 2019: affected >= 16.0.0 and < 16.0.10417.20027
- Microsoft Microsoft SharePoint Server Subscription Edition: affected >= 16.0.0 and < 16.0.18526.20424

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706
- [advisory] https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.