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
Not known to be exploited · CVSS 4.0 Medium.
Data as of 10 Nov 2026, 19:20 UTC
Thin evidence
One scorer or none| CNA (blackberry) | CVSS 3.1 | 4.0 |
|---|
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| BlackBerry LtdQNX Software Development Platform (SDP) | Affected
| Fixed in– |
| BlackBerry LtdQNX OS for Safety | Affected
| Fixed in– |
| BlackBerry LtdQNX OS for Medical | Affected
| 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.