CRITICAL CISA KEV

CVE-2026-84869

CVSS v3

9.9

CRITICAL

EPSS Score

0.4 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.

CISA Known Exploited Vulnerability

Date Added: 2026-09-11
Patch Due Date: 2026-09-14
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-09-08
Last Modified: 2026-09-09

Frequently asked questions

What is CVE-2026-84869?

Is CVE-2026-84869 actively exploited?

Yes. CVE-2026-84869 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 2026-09-14.

What is the CVSS score for CVE-2026-84869?

CVE-2026-84869 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string 3.1.

Is CVE-2026-84869 affecting your environment?

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