CVE-2025-49706

Microsoft SharePoint Server Spoofing Vulnerability

CVE-2025-49706 is fixed in 3 products on 1 platform, first by KB5002744, released July 8, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on July 22, 2025, with known ransomware use. Patch Radar priority: Patch now.

Patch nowCISA KEVKnown ransomware use

CVSS

6.5

Important

Exploitation

Exploited

Listed by CISA

CISA KEV

Jul 22, 2025

Federal due date Jul 23, 2025. Known ransomware use

EPSS

0.9906

99th percentile

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

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002744	Jul 8, 2025
Microsoft SharePoint Server 2019	KB5002741	Jul 8, 2025
Microsoft SharePoint Server Subscription Edition	KB5002751	Jul 8, 2025

Details

Published
July 8, 2025
Weakness
Improper Authentication
CISA required action
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.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706

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