CVE-2026-40138

CVSS 8.1 · HIGH
EPSS p34
Lower risk — in the top 66% least-likely-to-be-exploited CVEs.
Patch available
Vendor advisory or patch linked

Published 7/6/2026 · updated 7/7/2026 · CWE-287

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Summary

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance, including accounts with elevated privileges. Exploitation requires a specific authentication configuration to be enabled

CVSS 8.1HIGH

8.1 / 10
  • AV: Network
  • AC: High complexity
  • PR: No privileges
  • UI: No user interaction
  • S: Scope unchanged
  • C: Confidentiality: High
  • I: Integrity: High
  • A: Availability: High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS exploitation probability

0.4%

Percentile p34 Lower risk — in the top 66% least-likely-to-be-exploited CVEs.

Affected products

2 vendor/product entries
  • Beyondtrust Privileged Remote Access< 25.3.3
  • Beyondtrust Remote Support< 25.3.3
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Timeline

  1. Jul 6, 2026 · Disclosed / published in NVD
  2. Jul 7, 2026 · Intel last updated

Intel sources

Which upstream feeds returned data for this CVE, and when they were last fetched.

  • NVD· 26 days ago
  • CVE.org· 26 days ago
  • FIRST EPSS· 26 days ago
  • CISA KEV· no data
  • OSV· 26 days ago

References

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