CVE-2026-79838
HIGH 7.3A buffer overflow vulnerability in HPE NonStop ODBC/MX Services may cause memory corruption, resulting in application crash.
ELEVATED IMPACT
Severe if exploited (CVSS 7.3), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.1%chance of exploitation in 30 days · 1st percentile
○ In CISA KEV
○ Catalogued PoC
Impact if exploited
7.3CVSS 3.1 · HIGH
- ConfidentialityLow
- IntegrityLow
- AvailabilityHigh
What an attacker needs
- ⚠Access: Requires local access to the host
- ⚠Privileges: Requires a low-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Data snapshot:
Weakness (CWE)
- CWE-121: Stack-based buffer overflow
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
References and research data (JSON)
All CVSS metrics
- HIGH 7.3 v3.1 · CNA Primary
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H - HIGH 7.3 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
References
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-102091 EUVD · EUVD-2026-102091
Technical & other
- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_USCVE record · hpe · Updated 2026-10-15T14:24:53.551Z
NVD · CVE-2026-79838 · Updated 2026-10-15T19:17:44.010