CVE-2026-79826
HPE NonStop OCAX - Heap buffer overflow vulnerability
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
HPE NonStop OCAX - Heap buffer overflow vulnerability
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
- Record
CVE-2026-79826- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2026-101992
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
- Record
EUVD-2026-101992- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wmc3-72j6-g5fp
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially...
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
- Record
GHSA-wmc3-72j6-g5fp- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
NVD
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
- Record
CVE-2026-79826- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-79826 is a high vulnerability (CVSS 7.1) in Hewlett Packard Enterprise Hpe Nonstop Ocax, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.