P4Verified

CVE-2026-76840: rustdesk 0 through 1.4.9

CVE-2026-76840. CVSS 3.1 base score 9.6 (CRITICAL, Vendor/CNA). EPSS 0.00433 (percentile 0.35812), scored 13-Oct-2026.

Affected technology

rustdesk · 0 through 1.4.9
rustdesk

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 14-Oct-2026 15:58 UTC

CWE: CWE-20, CWE-787
CCR priority: 38.5 /100 (P4)
CVSS 3.1: 9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H · Vendor/CNA
EPSS: 0.00433 · percentile 0.35812 · 2026-10-13
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-76840.html