CVE-2026-79826: hewlett packard enterprise hpe nonstop ocax Heap-based Buffer Overflow
CVSS: 7.1v3.1HighAwaiting analysis
Published 15-10-2026Last modified 15-10-2026
Vulnerability summary
CVE-2026-79826 is a high (CVSS 7.1) Heap-based Buffer Overflow vulnerability in hewlett packard enterprise hpe nonstop ocax. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-10-2026PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
A heap buffer overflow in HPE NonStop OCAX could corrupt address space and may potentially redirect execution flow.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HSourcesAll 2 agree
- NVDNIST7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
15-10-202618-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hewlett packard enterprise1 product
- hpe nonstop ocaxT0892L01^AAP and earlier
1 vendor · 1 product