Is CVE-2026-40141 in the CISA KEV catalog?

No. CVE-2026-40141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40141?

CVE-2026-40141 has a CVSS v3 base score of 9.9 (CRITICAL).

What is the EPSS score for CVE-2026-40141?

CVE-2026-40141 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40141?

Upgrade privileged remote access to 25.3.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-40141

CRITICAL

9.9

CVSS v3

NVD

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.

CWE-943

How to fix

Remediation Available

privileged remote accessNVD

Affected:< 25.3.3Fixed in:25.3.3CVE-2026-40141derived from NVD

remote supportNVD

Affected:< 25.3.3Fixed in:25.3.3CVE-2026-40141derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Vendor Advisory1

beyondtrust.com

Related Vulnerabilities

Other CWE-943 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12904	High	8.8	6.4%	-	Fix
CVE-2020-36195	Critical	9.8	1.8%	-	Fix
CVE-2018-7829	High	8.8	1.7%	-	Fix
CVE-2021-1349	Medium	6.5	1.4%	-	Fix
CVE-2018-19952	High	7.5	1.3%	-	Fix
CVE-2022-36084	Critical	9.9	1.2%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-07.