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High severity8.1NVD Advisory· Published Aug 11, 2026

CVE-2026-63520

CVE-2026-63520

Description

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

Affected products

1

Microsoft/Office SharePointllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63520nvd

News mentions

1

CVE-2026-63520: Microsoft SharePoint Remote Code Execution (FIXED)
Rapid7 Blog · Aug 11, 2026