---
title: "CVE-2026-76747: AOS-S - Buffer Overflow"
description: "AOS-S contains a buffer overflow caused by improper input handling in an affected interface, letting unauthenticated remote attackers expose sensitive memory and cause denial of service, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-76747/
---

# CVE-2026-76747 AOS-S - Buffer Overflow

AOS-S contains a buffer overflow caused by improper input handling in an affected interface, letting unauthenticated remote attackers expose sensitive memory and cause denial of service, exploit requires network access.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76747)

## Details

Type

Buffer Overflow

Impact

Information Disclosure, Denial Of Service

CVSS vector

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

Published

6 October 2026

Updated

15 October 2026

Weakness

[CWE-120](https://cwe.mitre.org/data/definitions/120.html)

## Vendor fix

Update to the latest version of AOS-S.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-76747](https://nvd.nist.gov/vuln/detail/CVE-2026-76747)
- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en\_us&docLocale=en\_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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