How severe is CVE-2026-40141?

CVE-2026-40141 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-40141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40141?

CVE-2026-40141 primarily affects Beyondtrust Privileged Remote Access. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-40141?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-40141 published?

CVE-2026-40141 was published on 2026-07-06 and last updated on 2026-07-07.

CVE-2026-40141

CVE-2026-40141 is a critical-severity vulnerability in Beyondtrust Privileged Remote Access with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-943.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 8.5
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-943
Affected product: Beyondtrust Privileged Remote Access
Published: 2026-07-06
Last modified: 2026-07-07

Description

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.

Frequently asked questions

What is CVE-2026-40141?: 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.
How severe is CVE-2026-40141?: CVE-2026-40141 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-40141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40141?: CVE-2026-40141 primarily affects Beyondtrust Privileged Remote Access. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-40141?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-40141 published?: CVE-2026-40141 was published on 2026-07-06 and last updated on 2026-07-07.

References

https://www.beyondtrust.com/trust-center/security-advisories/bt26-03

Affected products (2)

cpe:2.3:a:beyondtrust:privileged_remote_access:*:*:*:*:*:*:*:*
cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*

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