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The Update Bureau
Security

KB5002927: all 39 vulnerabilities

Cumulative update for SharePoint Server, version SE, October 2026. The update page explains it and lists only the exploited, publicly disclosed and critical vulnerabilities; here are all of them, most severe first.

Vulnerabilities fixed

39 vulnerabilities fixed
2 critical 36 important 1 not rated
VulnerabilitySeverityCVSS
Microsoft Office Excel Remote Code Execution Vulnerability
Critical 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Critical 8.1
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 7.5
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 7.5
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 7.5
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 7.4
Microsoft Office SharePoint Spoofing Vulnerability
Important 7.3
Microsoft Office SharePoint Remote Code Execution Vulnerability
Important 7.2
Microsoft Office SharePoint Information Disclosure Vulnerability
Important 6.5
Microsoft SharePoint Server Information Disclosure Vulnerability
Important 6.5
Microsoft Office SharePoint Information Disclosure Vulnerability
Important 6.5
Microsoft Office SharePoint Information Disclosure Vulnerability
Important 6.5
Microsoft Office SharePoint Information Disclosure Vulnerability
Important 6.5
Microsoft Office SharePoint Spoofing Vulnerability
Important 5.7
Microsoft Office SharePoint Information Disclosure Vulnerability
Important 4.9
Microsoft Office SharePoint Spoofing Vulnerability
Important 4.6
Microsoft Office SharePoint Spoofing Vulnerability
Important 4.6
Microsoft Office SharePoint Spoofing Vulnerability
Important 4.6
Microsoft Office SharePoint Spoofing Vulnerability
Important 4.6
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Important 4.3
Not rated —