CVE-2026-76746

CRITICAL 9.3

Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-S

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

An unauthenticated buffer overflow vulnerability exists in AOS-S. Successful exploitation could allow an unauthenticated adjacent attacker to expose sensitive memory contents and cause a denial of service on the affected device.

Vendor	hewlett packard enterprise (hpe)
Product	aos-switch (aos-s)
Published	Oct 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

High

Affected Versions

Hewlett Packard Enterprise (HPE) / AOS-Switch (AOS-S)

16.11.0000 ≤ 16.11.0031

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.hpe.com: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US

Credits

🔍 Internal security research (HPE Networking).