CVE-2025-49706

MediumCVSS 6.5/10Known exploited (CISA KEV)Last modified Aug 4, 2026

Description

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

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Enterprise Server 2016	>= 16.0.0, < 16.0.5508.1000
Microsoft	Microsoft SharePoint Server 2019	>= 16.0.0, < 16.0.10417.20027
Microsoft	Microsoft SharePoint Server Subscription Edition	>= 16.0.0, < 16.0.18526.20424

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706US Government Resource
https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/Press/Media Coverage, Vendor Advisory

Timeline

Published: Jul 8, 2025
Last modified: Aug 4, 2026
Added to CISA KEV: Jul 22, 2025
NVD status: Analyzed

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