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CVE-2026-84635

Status: AnalyzedMedium (6.5)—

A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (7)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-84635",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-84635",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-16T19:33:36.934407Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
            }
          ]
        },
        {
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          "product": "macOS",
          "versions": [
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              "version": "0",
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              "versionType": "custom"
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        },
        {
          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
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              "status": "affected",
              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
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        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
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              "status": "affected",
              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
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        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
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              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-09-14T21:17:38.260",
  "references": [
    {
      "url": "https://support.apple.com/en-us/149034",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149035",
      "tags": [
        "Vendor Advisory"
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      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149036",
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      "source": "product-security@apple.com"
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      "url": "https://support.apple.com/en-us/149037",
      "tags": [
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      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149038",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/149039",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-843"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination."
    }
  ],
  "lastModified": "2026-09-18T13:06:43.063",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "56FD173B-C101-42F8-8087-AF09F2302BE8",
              "versionEndExcluding": "27.0"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "A6CD209B-5C42-4CC2-BF07-60852D12509A",
              "versionEndExcluding": "27.0"
            },
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              "vulnerable": true,
              "matchCriteriaId": "8A74637E-2BC7-477F-8996-32A3BE7A10DC",
              "versionEndExcluding": "27.0"
            },
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              "vulnerable": true,
              "matchCriteriaId": "7FD79C64-A33E-4DDB-BDE6-4E272788FF66",
              "versionEndExcluding": "27.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6BD26C5D-C2F6-4BB6-A1E6-1F5723EA7458",
              "versionEndExcluding": "27.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6F43E9DC-5D72-4325-9965-E6B50054B8E8",
              "versionEndExcluding": "27.0"
            },
            {
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          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}