CVE-2026-63520

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

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63520	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:sharepoint_server:::::subscription:::*
	cpe:2.3:a:microsoft:sharepoint_server:2016::::enterprise:::
	cpe:2.3:a:microsoft:sharepoint_server:2019:::::::*

History

No history.

Information

Published : 2026-08-11 17:18

Updated : 2026-08-13 13:38

NVD link : CVE-2026-63520

Mitre link : CVE-2026-63520

CVE.ORG link : CVE-2026-63520

JSON object : View

Products Affected

microsoft

sharepoint_server

CWE

CWE-20

Improper Input Validation

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