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No exploitation reportedAwaiting NVD analysis

CVE-2026-40275

Vulnerabilities in the QNX Neutrino kernel affect QNX Software Development Platform and QNX OS for Safety

No exploitation reported by the sources we read.

  • Published2026-11-10
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-11-1018:58CVE publishedCNA

Versions per branch

Products declared by the CNA

As blackberry, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • BlackBerry Ltd QNX Software Development Platformother versions: not affected
    Affected
    • = cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*no fix statedcpe
    • = cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*no fix statedcpe
  • BlackBerry Ltd QNX OS for Safetyother versions: not affected
    Affected
    • = cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:9:*:*:*:*:*:*no fix statedcpe
    • = cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:6:*:*:*:*:*:*no fix statedcpe
    • = cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:4:*:*:*:*:*:*no fix statedcpe
  • BlackBerry Ltd QNX OS for Medicalother versions: not affected
    Affected
    • = cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:3:*:*:*:*:*:*no fix statedcpe

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-40275 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-11-10
  • CNACVSS 3.18.42026-11-10
  • CNAweakness (CWE)CWE-1222026-11-10

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-11-10
Last Modified
2026-11-10
NVD status
Received

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.

Is CVE-2026-40275 actively exploited?

Active exploitation of CVE-2026-40275 has not been confirmed.

What is the CVSS score for CVE-2026-40275?

CVE-2026-40275 has a CVSS v3 base score of 8.4 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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