Paper/Archive/CVE-2026-40141

CVE-2026-40141

BeyondTrust Remote Support — High-Severity Vulnerability In Web Application Component of BeyondTrust Remote Support and Privileged Remote Access

EPSS 0.5%CVSS 9.9

critical.is priorityof 100

CVSS 9.9 (NVD)9.9 / 10 × 3029.7 Not in CISA KEV+300.0 EPSS percentile 44.8.448 × 209.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

A high-severity vulnerability exists in a web application component of BeyondTrust Remote Support and Privileged Remote Access related to the processing of certain input parameters. Insufficient validation of user-supplied input may allow an authenticated attacker with limited privileges to access unintended resources or data beyond their authorization scope. Exploitation is restricted to accounts with specific permissions.

Affected

ProductAffectedFixed inSource

Remote Support≤ 25.3.2–CNA

Privilege Remote Access≤ 25.3.2–CNA

Scores by source

NVD9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

BT (CNA)8.5CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refbeyondtrust.com/trust-center/security-advisories/bt26-03