CVE-2026-76747Network attack vector

Memory disclosure and service interruption via buffer overflow

Published Oct 6, 2026 · Updated Oct 6, 2026

Buffer overflow in HPE AOS-Switch 16.11.0000 through 16.11.0031 allows remote attackers to expose device memory or interrupt service. HPE identifies an affected interface but does not disclose its protocol, input field, or the buffer operation responsible for the overflow. Exploitation requires network reachability but no authentication or user interaction; the reported denial of service has no specified crash, hang, or reboot mode.

CVSS severity9.1
Critical
EPSS probability0.45%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in HPE AOS-Switch 16.11.0000 through 16.11.0031 allows remote attackers to expose device memory or interrupt service. HPE identifies an affected interface but does not disclose its protocol, input field, or the buffer operation responsible for the overflow. Exploitation requires network reachability but no authentication or user interaction; the reported denial of service has no specified crash, hang, or reboot mode.

The record

CVE
CVE-2026-76747
Published
Oct 6, 2026
Updated
Oct 6, 2026
Vendor
Hewlett Packard Enterprise (HPE)
Product
AOS-Switch
Classifications
T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.11.0000 <=16.11.0031

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Hewlett Packard Enterprise (HPE) · AOS-Switchversion=16.11.0000 <=16.11.0031

Published CVSS scores

9.1Hewlett Packard EnterpriseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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