Hewlett Packard Enterprise HPE Nonstop Expand vulnerabilities

4 CVEs affecting Hewlett Packard Enterprise HPE Nonstop Expand, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-76667, published 2026-10-15.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-76665, published 2026-10-15. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. A security vulnerability in HPE NonStop EXPAND may cause out-of-bounds memory read resulting in buffer overflow.
• CVE-2026-76664, published 2026-10-15. Medium severity, CVSS 6.4. EPSS: 0.1% chance of exploitation in the next 30 days. A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read/write operations
• CVE-2026-76666, published 2026-10-15. Medium severity, CVSS 4.7. EPSS: 0.1% chance of exploitation in the next 30 days. A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read.
• CVE-2026-76667, published 2026-10-15. Medium severity, CVSS 5.7. EPSS: 0.1% chance of exploitation in the next 30 days. A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read.