High severity · published Oct 15, 2026
CVE-2026-79826
HPE NonStop OCAX - Heap buffer overflow vulnerability
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HN
HPE NonStop OCAX · Hewlett Packard Enterprise
T0892L01^AAP and earlier · source: vendor