CVE-2026-84869

Exploitation active confirmée

Ajoutée au catalogue CISA KEV le 11/09/2026, correctif exigé avant le 14/09/2026 pour les agences fédérales américaines.

Action requise : Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Description officielle (NVD)

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.

Références

• https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869 , Third Party Advisory
• https://www.connectwise.com/company/trust/advisories , Vendor Advisory
• https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin , Vendor Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869 , US Government Resource
• https://www.huntress.com/blog/rogue-screenconnect-installations , Third Party Advisory

En bref

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

EPSS : probabilité estimée d'exploitation dans les 30 prochains jours.

Produits concernés

Sources officielles

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