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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

cve-program · CVE-2026-84869

Published

ScreenConnect

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "ConnectWise",
                    "product": "ScreenConnect",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "All versions prior to 26.6.5"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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

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