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VulnerabilityPublished

CVE-2026-40273: BlackBerry QNX Software Development Platform (SDP) · Improper Validation of Specified Type of Input

Affects BlackBerry QNX Software Development Platform (SDP)Source CVE Database V5

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Not known to be exploited · CVSS 4.0 Medium.

Data as of 10 Nov 2026, 19:20 UTC

CVSS 3.1 base score
4.0Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (blackberry)CVSS 3.14.0
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
BlackBerry LtdQNX Software Development Platform (SDP)Affected
  • =cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*
  • =cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*
Fixed in–
BlackBerry LtdQNX OS for SafetyAffected
  • =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:*:*:*:*:*:*
Fixed in–
BlackBerry LtdQNX OS for MedicalAffected
  • =cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:3:*:*:*:*:*:*
Fixed in–

AI-suggested

Until a fix is released, restrict local access to trusted users only to reduce risk.

Description

CVE-2026-40273 is an improper input validation vulnerability in the procnto message handler of the QNX Neutrino kernel by BlackBerry Ltd. An attacker with local access can send a crafted message that may lead to information disclosure. The vulnerability has a medium severity rating with a CVSS score of 4.0.

References

Community reviews

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