Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-73778

CVE-2026-73778CRITICAL

Hewlett Packard Enterprise (HPE) AOS-CX — Credential Manager Vulnerability Allows Unauthorized Administrative Access

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .0050   41.0     —

AFFECTED
  Product  Versions      Fixed
  AOS-CX   10.18.0000 –  —

TIMELINE
  Aug 13  Reserved by hpe
  Sep 1   Published (CNA: hpe)
  Sep 10  RESCORED — CVE-2026-73778 (Hewlett Packard Enterprise (HPE) AOS-CX). CVSS 8.1 → 9.8 (NVD).

CWE-521 · CNA: hpe · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

A vulnerability exists in the Credential Manager component that may allow for unauthorized administrative access. An unauthenticated remote attacker could exploit this vulnerability on a device in its factory-default or post-ZTP state before any administrator has configured credentials by providing a predictable factory-default password. Successful exploitation could result in full administrative control of the affected device during the initial setup process.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 13, 2026	Reserved	Reserved by hpe
September 1, 2026	Published	Published (CNA: hpe)
September 10, 2026	RESCORED	RESCORED — CVE-2026-73778 (Hewlett Packard Enterprise (HPE) AOS-CX). CVSS 8.1 → 9.8 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Hewlett Packard Enterprise (HPE)	AOS-CX	—	10.18.0000	—

Weaknesses

CWE-521

References (1)

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US [Patch, Vendor Advisory]

Authoritative record: CVE-2026-73778 at cve.org

Vendors: hewlett packard enterprise (hpe)

Weaknesses: CWE-521

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-73778 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.