CVE-2026-76662: hewlett packard enterprise hpe nonstop telserv Stack-based Buffer Overflow
CVSS: 5.9v3.1MediumAwaiting analysis
Published 15-10-2026Last modified 15-10-2026
Vulnerability summary
CVE-2026-76662 is a medium (CVSS 5.9) Stack-based Buffer Overflow vulnerability in hewlett packard enterprise hpe nonstop telserv. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.23%
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 buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption and DoS.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
15-10-202621-10-2026
EPSS score0.23%
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 telservT9553L01^BAJ and earlier
1 vendor · 1 product