CVE-2026-40275
Vulnerabilities in the QNX Neutrino kernel affect QNX Software Development Platform and QNX OS for Safety
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
What each source reports
CVE List Score used
8.4
Vulnerabilities in the QNX Neutrino kernel affect QNX Software Development Platform and QNX OS for Safety
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.
- Record
CVE-2026-40275- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-10
EUVDEUVD-2026-122799
8.4
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.
- Record
EUVD-2026-122799- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-9cjq-qvjm-69qw
8.4
Heap-based Buffer Overflow in the DCMD_PROC_EVENT handler of the procnto could allow an attacker...
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.
- Record
GHSA-9cjq-qvjm-69qw- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-10
NVD
8.4
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.
- Record
CVE-2026-40275- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-10
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| aliases, products, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-40275 is a high vulnerability (CVSS 8.4) in Blackberry Ltd Qnx Os For Safety, published November 10, 2026. No source lists public exploit code. No source names a fixed version.