Vulnerability Intelligence Report
High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access
CVE-2026-40140
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.
No Active Exploit Signals
CVSS Base Score
8.7
HIGH
EPSS Probability:0.56%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-400 ↗CWE-400 Uncontrolled Resource Consumption
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| BeyondTrust | Remote Support | 0 <= 25.3.2 (affected) |
| BeyondTrust | Privileged Remote Access | 0 <= 25.3.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.561%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | BeyondTrust Inc. · Vendor · USA |
| Reserved | 2026-04-09T18:36:13 |
| Published | 2026-07-06T16:13:22 |
| Last Updated | 2026-07-07T15:01:24 |
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