Hewlett Packard Enterprise HPE Nonstop Telserv vulnerabilities

2 CVEs affecting Hewlett Packard Enterprise HPE Nonstop Telserv, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-76663, published 2026-10-15.

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

• CVE-2026-76663, published 2026-10-15. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. A stack-based buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption that may result in DoS.
• CVE-2026-76662, published 2026-10-15. Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days. A buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption and DoS.