CVE-2026-84869
CRITICALCVSS 3.1 · 9.9 · 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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.
CISA KEV: known exploited
Added: 2026-09-11 · Due: 2026-09-14
Known ransomware use: Unknown
EPSS: 0.92% · Percentile: 60.2%
As of 2026-10-27
EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.
CWE: CWE-269, CWE-862 · Published: 2026-09-08T20:18:51.147 · Modified: 2026-09-12T04:16:42.757
Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.
References and fixes
- https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869
- https://www.connectwise.com/company/trust/advisories
- https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869
- https://www.huntress.com/blog/rogue-screenconnect-installations