CVE-2026-84869

critical

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.

References

https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin

https://www.connectwise.com/company/trust/advisories

https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869

Details

Source: Mitre, NVD

Published: 2026-09-08

Updated: 2026-09-11

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.9

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00382

Detections

Analytics