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PatchSiren cyber security CVE debrief

CVE-2026-40141 BeyondTrust CVE debrief

A high-severity vulnerability exists in BeyondTrust Remote Support and Privileged Remote Access related to input parameter processing. Insufficient validation may allow an authenticated attacker with limited privileges to access unintended resources or data. Exploitation is restricted to accounts with specific permissions. This issue has a CVSS score of 8.5 and is classified as HIGH. Administrators and users should be aware of this vulnerability and take necessary actions to mitigate it.

Vendor
BeyondTrust
Product
Remote Support
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-06
Original CVE updated
2026-07-07
Advisory published
2026-07-06
Advisory updated
2026-07-07

Who should care

Administrators and users of BeyondTrust Remote Support and Privileged Remote Access should be aware of this vulnerability and take necessary actions to mitigate it. This includes reviewing and updating to version 25.3.3 or later, implementing additional monitoring and logging, and restricting access to sensitive resources and data.

Technical summary

The vulnerability, CVE-2026-40141, with a CVSS score of 8.5 and classified as HIGH, exists in BeyondTrust Remote Support and Privileged Remote Access. It relates to insufficient validation of user-supplied input, potentially allowing authenticated attackers with limited privileges to access unintended resources or data. Exploitation is restricted to accounts with specific permissions. Affected systems require review and update to version 25.3.3 or later. This issue may impact organizations using BeyondTrust Remote Support and Privileged Remote Access, particularly if they have not updated to the latest version. Administrators should verify their deployments, review official advisories, and consider implementing compensating controls such as additional monitoring, logging, and restricting access to sensitive resources and data.

Defensive priority

High

Recommended defensive actions

  • Review and update BeyondTrust Remote Support and Privileged Remote Access to version 25.3.3 or later
  • Implement additional monitoring and logging to detect potential exploitation attempts
  • Restrict access to sensitive resources and data to only necessary personnel
  • Consider implementing compensating controls, such as IP whitelisting or multi-factor authentication
  • Review CVE and NVD details for further guidance
  • Perform asset inventory of BeyondTrust Remote Support and Privileged Remote Access deployments
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record was published on 2026-07-06T17:16:31.143Z and last modified on 2026-07-07T18:43:46.610Z. The NVD entry is currently Analyzed. Evidence is limited to CVE and NVD information. Defenders should verify BeyondTrust Remote Support and Privileged Remote Access deployments, review official advisories, and track potential exposure.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-06T17:16:31.143Z and has not been modified since then. The NVD entry is currently Analyzed.