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VulnerabilityCVE-2026-73779Published 2026-09-01

CVE-2026-73779 — Hewlett Packard Enterprise (HPE) AOS-CX

high

As of 2026-09-03, CVE-2026-73779 is a HIGH-severity vulnerability in Hewlett Packard Enterprise (HPE) AOS-CX, CVSS v3.1 8.2, EPSS 0.2% (14.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-73779, most recently “HPE Patches Critical ArubaOS-CX Buffer Overflow (CVE-2026-73749) Enabling Unauthenticated Remote Code Execution”.

CVSS v3.1
8.2/10High
EPSS
0.2%Higher than 14.2% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
4.7/10Threadlinqs triage score
Published
Updated 2026-09-03
CVSS v3.1 8.2 (HIGH) · EPSS 0.2% (higher than 14.2% of all scored CVEs) · Priority 4.7/10 · Published 2026-09-01

Last updated:

What is CVE-2026-73779?

Vulnerabilities have been identified in the operating system of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. Successful exploitation could compromise system integrity and further expose sensitive information.

The record classifies CVE-2026-73779 under weakness class CWE-269. Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 54 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.2 — HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
EPSS (FIRST)
0.2% probability of exploitation in the next 30 days, higher than 14.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
4.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-09-01, last modified 2026-09-03

Is CVE-2026-73779 being exploited?

It currently carries a trending score of 29 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-73779

The record marks a vendor fix as available for CVE-2026-73779. Patch reference: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US. Vendor advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-73779

1 tracked threat in the Threadlinqs corpus references CVE-2026-73779, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Other references