CVE-2026-73793: hewlett packard enterprise hpe nonstop middleware Deserialization of Untrusted Data
CVSS: 7.9v3.1HighAwaiting analysis
Published 14-10-2026Last modified 14-10-2026
Vulnerability summary
CVE-2026-73793 is a high (CVSS 7.9) Deserialization of Untrusted Data vulnerability in hewlett packard enterprise hpe nonstop middleware. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.2% of scored vulnerabilities.
CVSS score
7.9/10
010
High · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-10-2026PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
HPE NonStop Middleware software has secret key handling and data deserialization vulnerability.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:HSourcesAll 2 agree
- NVDNIST7.9HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:H
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202621-10-2026
EPSS score0.36%
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 middlewareT1155L01^AAF and earlier
1 vendor · 1 product