MEDIUM CISA KEV

CVE-2026-65660

CVSS v3

6.5

MEDIUM

EPSS Score

0.7 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

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

CISA Known Exploited Vulnerability

Date Added: 2026-09-25
Patch Due Date: 2026-09-28
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-08-11
Last Modified: 2026-08-11

Frequently asked questions

What is CVE-2026-65660?

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

Is CVE-2026-65660 actively exploited?

Yes. CVE-2026-65660 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-09-28.

What is the CVSS score for CVE-2026-65660?

CVE-2026-65660 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string 3.1.

Is CVE-2026-65660 affecting your environment?

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