CVE-2026-79826 HPE NonStop OCAX - Buffer Overflow

HPE NonStop OCAX contains a heap buffer overflow caused by improper memory handling, letting attackers potentially corrupt address space and redirect execution flow, exploit requires no special conditions.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published
15 October 2026
Updated
15 October 2026
Weakness
CWE-122

Vendor fix

Update to the latest version of HPE NonStop OCAX.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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