CVE-2026-50522

Catalogue CISA KEV — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Ajoutée le 22/07/2026 · Échéance de correction (agences US) : 25/07/2026

Action requise : 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.