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Back to active CVEs
Critical · CVSS 9.3CVE-2026-76746

Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-SCVE-2026-76746

Answer in brief

CVE-2026-76746 records a Critical severity (CVSS 9.3) vulnerability in Unauthenticated Adjacent Buffer Overflow Vulnerability Leading to Information Disclosure in AOS-S. The current sources do not mark it as known exploited. The current feed maps Hewlett Packard Enterprise (HPE)/AOS-Switch (AOS-S) (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 6, 2026Updated Oct 7, 2026Source checked Oct 7, 2026First seen by HOL Oct 6, 2026Material review Oct 7, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Hewlett Packard Enterprise (HPE)/AOS-Switch (AOS-S) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Hewlett Packard Enterprise (HPE)/AOS-Switch (AOS-S)generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Hewlett Packard Enterprise (HPE)/AOS-Switch (AOS-S).
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referencesupport.hpe.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Vault Vulnerable to Arbitrary Code Execution via Plugin Catalog Entries Restored From Raft SnapshotsSame generic ecosystem
  • Vault PKI ACME Issues Certificate With Unvalidated SANsSame generic ecosystem
  • Vault ACL Policy Cache Vulnerable to Cross-Namespace Policy ResolutionSame generic ecosystem
  • Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server to crash or compromise digest-md5 clientsSame generic ecosystem
  • Cluster-samples-operator: role reads all secrets in openshift-config, not just pull-secretSame generic ecosystem
  • AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabledSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-120
Source
CVE List V5
Source checked
Oct 7, 2026
References
1 linked source
Open source record