High severity · published Oct 15, 2026
CVE-2026-79821
HPE NonStop SOAP 4.0 - Memory corruption
8.2
CVSS
0.2%
EPSS
No
On KEV
Description
A security vulnerability in HPE NonStop SOAP 4.0 may cause memory corruption resulting in a system down.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HN
HPE NonStop SOAP 4.0 · Hewlett Packard Enterprise
T0865L01^ACN and earlier · source: vendor