CVE-2025-49706

Description

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

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 6.5CVSS 3.1, Mediumfrom the CNA (microsoft)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C

What to do

• Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 8 Jul 2025 Published
2. 22 Jul 2025 CVE-2025-49706 added to CISA KEV
3. 22 Jul 2025 Added to the CISA KEV catalogue

Weakness

• CWE-287

References

• Microsoft SharePoint Server Spoofing Vulnerabilityvendor-advisorypatch