CVE-2026-40140

EUVD-2026-41888
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 44.99%
Affected Products (NVD)
VendorProductVersion
beyondtrustprivileged_remote_access
𝑥
< 25.3.3
beyondtrustremote_support
𝑥
< 25.3.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.beyondtrust.com/trust-center/security-advisories/bt26-03