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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.beyondtrust.com/trust-center/security-advisories/bt26-03	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:beyondtrust:privileged_remote_access::::::::
	cpe:2.3:a:beyondtrust:remote_support::::::::

History

No history.

Information

Published : 2026-07-06 17:16

Updated : 2026-07-07 18:40

NVD link : CVE-2026-40140

Mitre link : CVE-2026-40140

CVE.ORG link : CVE-2026-40140

JSON object : View

Products Affected

beyondtrust

privileged_remote_access
remote_support

CWE

CWE-400

Uncontrolled Resource Consumption

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