CVE-2026-76662
MEDIUM 5.9A buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption and DoS.
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 13th percentile
○ In CISA KEV
○ Catalogued PoC
Impact if exploited
5.9CVSS 3.1 · MEDIUM
- ConfidentialityNone
- IntegrityNone
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
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Data snapshot:
Weakness (CWE)
- CWE-121: Stack-based buffer overflow
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References and research data (JSON)
All CVSS metrics
- MEDIUM 5.9 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - MEDIUM 5.9 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101814 EUVD · EUVD-2026-101814
Technical & other
- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_USCVE record · hpe · Updated 2026-10-15T02:11:54.726Z
NVD · CVE-2026-76662 · Updated 2026-10-15T16:23:06.250