CVE-2026-10858 json
IBM MQ for HPE NonStop is vulnerable to a denial of service attack
published 2026-09-18 51 d ago modified 2026-09-19 51 d ago also EUVD-2026-83034
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
Patch / fix
- ibm.com/support/pages/node/7287704 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 52 d ago
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- IBM MQ for HPE NonStop
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
ibm.com
/support/pages/node/7287704
vendor-advisory, patch
Sources
- CVE List CVE-2026-10858
- NVD CVE-2026-10858
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