CVE-2026-76746
Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-S
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-S
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.
- Record
CVE-2026-76746- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2026-93980
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.
- Record
EUVD-2026-93980- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xjm4-53qx-cfrp
An unauthenticated buffer overflow vulnerability exists in AOS-S. Successful exploitation could...
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.
- Record
GHSA-xjm4-53qx-cfrp- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-76746- CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-76746 is a critical vulnerability (CVSS 9.3) in Hewlett Packard Enterprise (hpe) Aos-switch (aos-s), published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.