cve.bz

CVE-2026-40273 blackberry ltd

4.0 mediumEPSS 0.1%

Medium (4.0) in blackberry ltd. EPSS 0.1% estimated probability of exploitation activity in the next 30 days.

On this page
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

Severity

CVSS 3.1

4.0 medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.1% estimated probability of exploitation activity in the next 30 days; 1st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-1287 Improper Validation of Specified Type of Input
Published
Modified
Assigned by
blackberry (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-40273 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-40273?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-40273?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-40273 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-40273

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-40273](https://cve.bz/cve/badge/CVE-2026-40273.svg)](https://cve.bz/cve/CVE-2026-40273)

HTML:

<a href="https://cve.bz/cve/CVE-2026-40273"><img src="https://cve.bz/cve/badge/CVE-2026-40273.svg" alt="CVE-2026-40273"></a>

Affected

  • blackberry ltd:qnx os for medical
  • blackberry ltd:qnx os for safety
  • blackberry ltd:qnx software development platform (sdp)

Versions

From the CNA's record in the CVE List.

ProductAffected
BlackBerry Ltd QNX Software Development Platform (SDP)cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*
BlackBerry Ltd QNX Software Development Platform (SDP)cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*
BlackBerry Ltd QNX OS for Safetycpe:2.3:o:blackberry:qnx_os_for_safety:2.2:9:*:*:*:*:*:*
BlackBerry Ltd QNX OS for Safetycpe:2.3:o:blackberry:qnx_os_for_safety:2.1:6:*:*:*:*:*:*
BlackBerry Ltd QNX OS for Safetycpe:2.3:o:blackberry:qnx_os_for_safety:2.0:4:*:*:*:*:*:*
BlackBerry Ltd QNX OS for Medicalcpe:2.3:o:blackberry:qnx_os_for_medical:2.0:3:*:*:*:*:*:*

History

  1. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

Check your stackJSON