CVE-2026-76738

{"id": "CVE-2026-76738", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76738", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-30T12:34:38.913166Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-alert@hpe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.2}]}, "affected": [{"source": "security-alert@hpe.com", "affectedData": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "Instant ON", "versions": [{"status": "affected", "version": "0.0.0.0", "versionType": "semver", "lessThanOrEqual": "3.4.1.0"}], "defaultStatus": "affected"}]}], "published": "2026-09-29T20:17:26.277", "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US", "source": "security-alert@hpe.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which recovers without manual intervention."}], "lastModified": "2026-09-30T13:17:20.407", "sourceIdentifier": "security-alert@hpe.com"}