NCSC-2026-0397

Vulnerability from csaf_ncscnl - Published: 2026-10-01 10:35 - Updated: 2026-10-01 10:35
Summary
Kwetsbaarheid verholpen in Apple CoreGraphics
Notes
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten: Apple heeft een kwetsbaarheid verholpen in CoreGraphics op iOS, iPadOS en macOS.
Interpretaties: De kwetsbaarheid betreft een out-of-bounds write in de CoreGraphics component. Een aanvaller kan deze kwetsbaarheid misbruiken door speciaal vervaardigde bestanden te verwerken, wat kan leiden tot het uitvoeren van willekeurige code. Deze kwetsbaarheid is gebruikt in gerichte aanvallen op iOS-versies vóór iOS 27. De kwetsbaarheid komt voor in meerdere Apple besturingssystemen.
Oplossingen: Apple heeft updates uitgebracht waarin bounds checking is verbeterd om out-of-bounds memory writes te voorkomen. Zie bijgevoegde referenties voor meer informatie.
Kans: medium
Schade: high
CWE-787: Out-of-bounds Write

An out-of-bounds write vulnerability in Apple's CoreGraphics affecting iOS, iPadOS, and macOS can lead to arbitrary code execution via maliciously crafted files, with known exploitation in targeted attacks on iOS versions prior to iOS 27.

CWE-787 - Out-of-bounds Write
Affected products
Product Identifier Version Remediation
vers:unknown/*
Apple / Multiple Products
vers:unknown/*

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "Apple heeft een kwetsbaarheid verholpen in CoreGraphics op iOS, iPadOS en macOS.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheid betreft een out-of-bounds write in de CoreGraphics component. Een aanvaller kan deze kwetsbaarheid misbruiken door speciaal vervaardigde bestanden te verwerken, wat kan leiden tot het uitvoeren van willekeurige code. Deze kwetsbaarheid is gebruikt in gerichte aanvallen op iOS-versies v\u00f3\u00f3r iOS 27. De kwetsbaarheid komt voor in meerdere Apple besturingssystemen.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "Apple heeft updates uitgebracht waarin bounds checking is verbeterd om out-of-bounds memory writes te voorkomen. Zie bijgevoegde referenties voor meer informatie.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "medium",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Out-of-bounds Write",
        "title": "CWE-787"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://support.apple.com/en-us/149226"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://support.apple.com/en-us/149228"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://support.apple.com/en-us/149229"
      }
    ],
    "title": "Kwetsbaarheid verholpen in Apple CoreGraphics",
    "tracking": {
      "current_release_date": "2026-10-01T10:35:52.620605Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2026-0397",
      "initial_release_date": "2026-10-01T10:35:52.620605Z",
      "revision_history": [
        {
          "date": "2026-10-01T10:35:52.620605Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "Multiple Products"
          }
        ],
        "category": "vendor",
        "name": "Apple"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-86950",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "other",
          "text": "Out-of-bounds Write",
          "title": "CWE-787"
        },
        {
          "category": "description",
          "text": "An out-of-bounds write vulnerability in Apple\u0027s CoreGraphics affecting iOS, iPadOS, and macOS can lead to arbitrary code execution via maliciously crafted files, with known exploitation in targeted attacks on iOS versions prior to iOS 27.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-86950 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-86950.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1"
          ]
        }
      ],
      "title": "CVE-2026-86950"
    }
  ]
}



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