6.5 Moyenne Exploitée · rançongiciel

CVE-2025-49706 Microsoft SharePoint Improper Authentication Vulnerability

Exploitation active constatée

· catalogue CISA KEV

Action attendue 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.

Campagnes de rançongiciel Utilisation connue

Faiblesse CWE-287

Description

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

Produits et versions touchés

Produit	Versions touchées	Corrigé en
Microsoft SharePoint Enterprise Server 2016 16.0	16.0.0 → < 16.0.5508.1000	16.0.5508.1000
Microsoft SharePoint Server 2019 16.0	16.0.0 → < 16.0.10417.20027	16.0.10417.20027
Microsoft SharePoint Server Subscription Edition 16.0	16.0.0 → < 16.0.18526.20424	16.0.18526.20424

Références

Microsoft SharePoint Server Spoofing Vulnerability msrc.microsoft.com

Chronologie

Publiée 8 juillet 2025
Ajoutée au catalogue KEV 22 juillet 2025
Dernière modification 4 août 2026

Les 337 CVE de Microsoft SharePoint Enterprise Server 2016 →

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