CVE-2026-84869 ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization

Exploited in the wild Critical 9.9 Published Updated

Attackers can execute files on a host via ScreenConnect client file-transfer actions without authorization or confirmation, leading to code execution.

Exploited in the wild
Since 11 Sep 2026
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-84869?

CVE-2026-84869 is a critical missing authorization vulnerability in ConnectWise ScreenConnect, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-862, CWE-269

Which versions are affected by CVE-2026-84869?

It affects 1 product.

Products include Connectwise Screenconnect.

How do I fix CVE-2026-84869?

No fix has been published for CVE-2026-84869 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 14 Sep 2026.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-84869 being exploited?

Yes. Attackers have exploited CVE-2026-84869 in the wild since at least 11 Sep 2026.

Sources

Also known as GHSA-rc8v-f46m-jcgm.

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