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The Update Bureau
Security

KB5002874: all 32 vulnerabilities

Cumulative update for SharePoint Server, version 2019, June 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

32 vulnerabilities fixed
1 exploited 3 critical 28 important 1 not rated
VulnerabilitySeverityCVSS
CVE-2026-58644 Exploited
Microsoft SharePoint Remote Code Execution Vulnerability
Critical 9.8
Microsoft Outlook and Word Remote Code Execution Vulnerability
Critical 8.4
Microsoft Outlook and Word Remote Code Execution Vulnerability
Critical 8.4
Microsoft SharePoint Elevation of Privilege Vulnerability
Important 8.8
Microsoft SharePoint Server Remote Code Execution Vulnerability
Important 8.0
Microsoft Office Remote Code Execution Vulnerability
Important 7.8
Microsoft Office Remote Code Execution Vulnerability
Important 7.8
Microsoft Word Remote Code Execution Vulnerability
Important 7.8
Microsoft Office Remote Code Execution Vulnerability
Important 7.8
Microsoft SharePoint Server Spoofing Vulnerability
Important 7.3
Microsoft SharePoint Server Spoofing Vulnerability
Important 7.3
Microsoft SharePoint Remote Code Execution Vulnerability
Important 6.5
Microsoft Office Information Disclosure Vulnerability
Important 5.5
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 5.4
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft Office Project Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft SharePoint Server Spoofing Vulnerability
Important 4.6
Microsoft Office Information Disclosure Vulnerability
Important 3.3
Microsoft SharePoint Server Remote Code Execution Vulnerability
Not rated —