CVE-2026-40140CWE-400
High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
High · published July 6, 2026
What it is
BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting appliance availability.
The record
Technical detail
- CVSS v4.0
- 8.7 · HIGH
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS
- 0.00648 · 50.4th percentile
- Weakness
- CWE-400 · Uncontrolled Resource Consumption
- Published
- 2026-07-06T16:13Z
EPSS history
Timeline