Vulnerability · Published Oct 15, 2026 · Assigned by hpe
CVE-2026-76663HPE NonStop TELSERV - Memory corruption vulnerability
High 7.5
In plain English
A high-severity stack buffer overflow in HPE NonStop TELSERV from Hewlett Packard Enterprise. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stack-based buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption that may result in DoS.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise | HPE NonStop TELSERV | T9553L01^BAJ and earlier |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H