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ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions

CVSS 3.1 9.9 CRITICALCheck source for fixed versionsCISA KEV

cve-program · CVE-2026-84869

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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CVE-2026-84869

Listed in CISA KEV · added 11 Sep 2026 · ConnectWise · ScreenConnect

ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.

CISA source · CISA-cited reference

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

cve-program · CVE-2026-84869

Published

ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions

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.

Source published
8 Sep 2026 19:29:33 UTC
Source modified
12 Sep 2026 03:55:19 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 18:29 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current