FKIE_CVE-2026-20700

Vulnerability from fkie_nvd - Published: 2026-02-11 23:16 - Updated: 2026-02-13 14:03
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.
References
product-security@apple.comhttps://support.apple.com/en-us/126346Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126348Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126351Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126352Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126353Release Notes, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700US Government Resource
Impacted products
Vendor Product Version
apple ipados *
apple iphone_os *
apple macos *
apple tvos *
apple visionos *
apple watchos *
To clipboard 

{
  "cisaActionDue": "2026-03-05",
  "cisaExploitAdd": "2026-02-12",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Apple Multiple Buffer Overflow Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "73ED2212-C513-4BE8-8EDB-40DF4323558E",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEC63AFD-9C97-45CD-80CF-CC60DF064838",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1EEEE88-5ADA-4C55-9C7C-397E904408DD",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "60137BD4-65B6-4962-B1E5-5F4EE279489B",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "388EDB3F-A14E-4922-B88A-F1CB6DE50A2A",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F406F3D2-0AF3-4F83-A123-2AC07B3B094E",
              "versionEndExcluding": "26.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema de corrupci\u00f3n de memoria con una gesti\u00f3n de estado mejorada. Este problema est\u00e1 solucionado en watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 y iPadOS 26.3. Un atacante con capacidad de escritura en memoria podr\u00eda ejecutar c\u00f3digo arbitrario. Apple tiene conocimiento de un informe que indica que este problema podr\u00eda haber sido explotado en un ataque extremadamente sofisticado contra individuos espec\u00edficos y dirigidos en versiones de iOS anteriores a iOS 26. CVE-2025-14174 y CVE-2025-43529 tambi\u00e9n se emitieron en respuesta a este informe."
    }
  ],
  "id": "CVE-2026-20700",
  "lastModified": "2026-02-13T14:03:58.537",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-11T23:16:10.670",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126346"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126348"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126351"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126352"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/126353"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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