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SharePointVulnerabilities

Known Exploited Vulnerabilities catalog entries for SharePoint.

9
CVE Total
5
Critical
5
Ransomware
CVE-2026-55040 CRITICAL

Microsoft SharePoint Weak Authentication Vulnerability

Microsoft SharePoint
CVSS 9.1
Added Aug 18
CVE-2026-50522 CRITICAL

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint
CVSS 9.8
Added Jul 22
CVE-2026-58644 CRITICAL

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint
CVSS 9.8
Added Jul 16
CVE-2026-20963 HIGH

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint
CVSS 8.8
Added Mar 18
CVE-2025-49704 HIGH Ransomware

Microsoft SharePoint Code Injection Vulnerability

Microsoft SharePoint
CVSS 8.8
Added Jul 22
CVE-2025-49706 MEDIUM Ransomware

Microsoft SharePoint Improper Authentication Vulnerability

Microsoft SharePoint
CVSS 6.5
Added Jul 22
CVE-2025-53770 CRITICAL Ransomware

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint
CVSS 9.8
Added Jul 20
CVE-2024-38094 HIGH Ransomware

Microsoft SharePoint Deserialization Vulnerability

Microsoft SharePoint
CVSS 7.2
Added Oct 22
CVE-2019-0604 CRITICAL Ransomware

Microsoft SharePoint Remote Code Execution Vulnerability

Microsoft SharePoint
CVSS 9.8
Added Nov 03