CVE-2026-84869

ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions

En bref

Sévérité: CRITICAL 9.9
Exploitation: Exploitation connue (CISA KEV) · ajoutée le 2026-09-11
Exploitée selon l'ENISA depuis le 2026-09-11
EPSS: EPSS 0.92 % · centile 60 (2026-10-27)
État: PUBLISHED
Publiée: 2026-09-08
Mise à jour: 2026-09-12
Attribuée par: ConnectWise
Statut NVD: Analyzed

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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	CRITICAL 9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	ConnectWise
CVSS 3.1	CRITICAL 9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	NVD · 7d616e1a-3288-43b1-a0dd-0a65d3e70a49 (Secondary)

Faiblesses (CWE)

Références européennes

ENISA EUVD · EUVD-2026-74053
GCVE · GCVE-0-2026-84869

Configurations affectées (CPE NVD)

cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:* < 26.6.5.9742

Produits affectés

Produit	Versions
ConnectWise · ScreenConnect	affected All versions prior to 26.6.5

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD