CVE-2026-84869 ScreenConnect - Remote Code Execution

ScreenConnect client contains an unauthorized file transfer and execution vulnerability during active remote sessions, letting attackers transfer and execute files without host confirmation, exploit requires active remote session.

CVSS base score 9.9 /10
Critical
CISA KEV
Exploited in the wild
Public exploit
None known
Authentication
Required
EPSS
0.92% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest version of ScreenConnect client.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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