CVE-2026-4018: TOCTOU race condition in the QNX Neutrino kernel impacts versions of the QNX Software Development Platform and QNX OS for Safety
BlackBerry Ltd · QNX Software Development Platform
Affected: BlackBerry Ltd QNX Software Development Platform · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 0% of scored CVEs
DescriptionCVE.org
TOCTOU Race Condition in specific trace commands of the TraceEvent() system call could allow an attacker with local access and with the PROCMGR_AID_TRACE ability, to cause information disclosure, data tampering or a crash of the QNX Neutrino kernel.
Affected products3
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- BlackBerry Ltd · QNX Software Development Platform7.1; cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:…; 7.0; cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:…
- BlackBerry Ltd · QNX OS for Safety2.2.8 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.2:8:*:*:*:*:*:*; 2.1.5 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.1:5:*:*:*:*:*:*; 2.0.3 and earlier; cpe:2.3:o:blackberry:qnx_os_for_safety:2.0:3:*:*:*:*:*:*
- BlackBerry Ltd. · QNX OS for Medical2.0.2 and earlier; cpe:2.3:o:blackberry:qnx_os_for_medical:2.0:2:*:*:*:*:*:*
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- BlackBerry Ltd
- Published
- July 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-4018 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.