SAMA5D44 Fault Injection Vulnerability

{
  "id": "adddb162ac57e67b24c9e47fcc1aaa0efea5736d6c054fb43f01922c7aa82b9f",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-18349",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SAMA5D44 Fault Injection Vulnerability",
    "summary": "Improper protection against voltage and clock glitches vulnerability in Microchip SAMA5D4 allows Hardware Fault Injection. This issue affects SAMA5D4.",
    "evidence": "cve:CVE-2026-18349",
    "products": [
      {
        "name": {
          "value": "SAMA5D4",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-18349",
      "aliases": [
        "CVE-2026-18349"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "Safety": "NOT_DEFINED",
            "version": "4.0",
            "Recovery": "NOT_DEFINED",
            "baseScore": 7.3,
            "Automatable": "NOT_DEFINED",
            "attackVector": "PHYSICAL",
            "baseSeverity": "HIGH",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "exploitMaturity": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "userInteraction": "NONE",
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "HIGH",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Microchip",
          "product": "SAMA5D4",
          "versions": [
            {
              "status": "affected",
              "version": "0"
            }
          ],
          "defaultStatus": "affected"
        }
      ],
      "modified": "2026-10-27T16:40:02.564Z",
      "provider": "cve",
      "references": [
        "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/sama5d44-fault-injection-vulnerability"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-18349",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-08-24T20:17:41.440102Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-08-24T20:18:42.750Z"
            }
          }
        ],
        "cna": {
          "orgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
          "shortName": "Microchip",
          "dateUpdated": "2026-10-27T16:40:02.564Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-18349",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 394468,
  "published_at": "2026-08-24T16:07:45.5+00:00"
}