CVE-2026-65660

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

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-2026-65660	Patch Vendor Advisory
https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/	Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660	US Government Resource

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

26 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Control inadecuado de la generación de código (’inyección de código’) en Microsoft Office SharePoint permite a un atacante autorizado realizar suplantación de identidad a través de una red.

25 Sep 2026, 17:00

Type	Values Removed	Values Added
References	~~() https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/ -~~	() https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/ - Third Party Advisory
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660 - US Government Resource

25 Sep 2026, 16:17

Type	Values Removed	Values Added
References		() https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/ - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660 -

Information

Published : 2026-08-11 17:18

Updated : 2026-10-26 13:10

NVD link : CVE-2026-65660

Mitre link : CVE-2026-65660

CVE.ORG link : CVE-2026-65660

JSON object : View

Products Affected

microsoft

sharepoint_server

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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