Medium severity · published Oct 15, 2026
CVE-2026-76664
HPE NonStop EXPAND - Out-of-Bounds memory read/write
6.4
CVSS
0.1%
EPSS
No
On KEV
Description
A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read/write operations
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HN
HPE NonStop EXPAND · Hewlett Packard Enterprise
T9057L02^AIG and earlier · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76664
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76664
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_US
More from HPE NonStop EXPAND
7.1
CVE-2026-76665
HPE NonStop EXPAND - Buffer Overflow vulnerability
5.7
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HPE NonStop EXPAND - Out-of-Bounds memory read vulnerability
4.7
CVE-2026-76666
HPE NonStop EXPAND - Out-of-Bounds memory read