CVE-2026-40273
MEDIUMCVSS 4/10EPSS 0.11%
Last modified
CVE-2026-40273 is a medium-severity vulnerability rated 4/10 on the CVSS scale. Improper Input Validation in a procnto message handler could allow an attacker with local access to send a crafted message which can cause an information disclosure in the QNX Neutrino kernel. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
Description
Improper Input Validation in a procnto message handler could allow an attacker with local access to send a crafted message which can cause an information disclosure in the QNX Neutrino kernel
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| BlackBerry Ltd | QNX Software Development Platform (SDP) | cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*; cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* |
| BlackBerry Ltd | QNX OS for Safety | cpe: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 Ltd | QNX OS for Medical | cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:3:*:*:*:*:*:* |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-40273?
Improper Input Validation in a procnto message handler could allow an attacker with local access to send a crafted message which can cause an information disclosure in the QNX Neutrino kernel
How severe is CVE-2026-40273?
CVE-2026-40273 has a CVSS score of 4/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40273?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-40273?
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Scan your code nowSource: NVD / NIST