CVE-2026-40138CWE-287

Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

Critical · published July 6, 2026

CVSS v4.0
9.2
EPSS
0%
Percentile
38.8
In the wild
Unconfirmed
What it is

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled

The record
Technical detail
CVSS v4.0
9.2 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00459 · 38.8th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-07-06T16:12Z
EPSS history
Timeline
  • 06 JUL 16:12Z
    Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
    cvelistv5