Microsoft Sharepoint Server Vulnerabilities

5 advisories affecting Microsoft Sharepoint Server

5

Total CVEs

3

Critical

1

High

CVE-2026-50522

Jul 14, 2026

Critical 9.8

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network....

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CVE-2026-56164

Jul 14, 2026

Critical 9.8

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network....

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CVE-2026-58644

Jul 14, 2026

Critical 9.8

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network....

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CVE-2026-45659

May 22, 2026

High 8.8

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network....

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CVE-2026-32201

Apr 14, 2026

Medium 6.5

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network....

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