CVE-2026-40275

HIGHCVSS 8.4/10EPSS 0.13%

Last modified

CVE-2026-40275 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Heap-based Buffer Overflow in the DCMD_PROC_EVENT handler of the procnto could allow an attacker with local access to cause an information disclosure, data tampering or a crash of the QNX Neutrino kernel.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

Heap-based Buffer Overflow in the DCMD_PROC_EVENT handler of the procnto could allow an attacker with local access to cause an information disclosure, data tampering or a crash of the QNX Neutrino kernel.

Metrics

EPSS Probability
0.13%

2.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
BlackBerry LtdQNX Software Development Platformcpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*; cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*
BlackBerry LtdQNX OS for Safetycpe:2.3:o:blackberry:qnx_os_for_safety:2.2:9:*:*:*:*:*:*; cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:6:*:*:*:*:*:*; cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:4:*:*:*:*:*:*
BlackBerry LtdQNX OS for Medicalcpe:2.3:o:blackberry:qnx_os_for_medical:2.0:3:*:*:*:*:*:*

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-40275?
Heap-based Buffer Overflow in the DCMD_PROC_EVENT handler of the procnto could allow an attacker with local access to cause an information disclosure, data tampering or a crash of the QNX Neutrino kernel.
How severe is CVE-2026-40275?
CVE-2026-40275 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40275?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST