9.8
Critique
Exploitée
CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Exploitation active constatée
· catalogue CISA KEV
Action attendue
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Campagnes de rançongiciel
Non constatée à ce jour
Faiblesse
CWE-502
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 16.0 | 16.0.0 → < 16.0.5561.1001 | 16.0.5561.1001 |
| Microsoft SharePoint Server 2019 16.0 | 16.0.0 → < 16.0.10417.20175 | 16.0.10417.20175 |
| Microsoft SharePoint Server Subscription Edition 16.0 | 16.0.0 → < 16.0.19725.20434 | 16.0.19725.20434 |
Références
- Microsoft SharePoint Remote Code Execution Vulnerability msrc.microsoft.com
Chronologie
- Publiée
- Ajoutée au catalogue KEV
- Dernière modification
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