CVE-2026-40140

HIGH

CVSS v4.0: 8.7

NetworkNo privilegesNo user interactionResource Exhaustion (DoS)Vendor advisory ref

Source data as of:

At a glance

Severity
HIGH
CVSS
8.7 v4.0 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Resource Exhaustion (DoS) · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-07-06 · Modified: 2026-07-06

CVSS / EPSS / KEV

CVSS v4.0 8.7 / 10 HIGH Source: NVD
EPSS EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

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.

Record details

CVE ID
CVE-2026-40140
CVSS (v4.0)
8.7 (HIGH)
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA KEV
No
Weakness (CWE)
CWE-400
Affected configurations (CPE)
0
Published
2026-07-06
Modified
2026-07-06
Status
Awaiting Analysis

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.