CVE-2026-20620 (GCVE-0-2026-20620)

Vulnerability from cvelistv5 – Published: 2026-02-11 22:58 – Updated: 2026-02-11 22:58
VLAI?
Summary
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.
Severity ?
No CVSS data available.
CWE
  • An attacker may be able to cause unexpected system termination or read kernel memory
Assigner
Impacted products
Vendor Product Version
Apple macOS Affected: unspecified , < 26.3 (custom)
Create a notification for this product.
    Apple macOS Affected: unspecified , < 15.7 (custom)
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    Apple macOS Affected: unspecified , < 14.8 (custom)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "15.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "14.8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "An attacker may be able to cause unexpected system termination or read kernel memory",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-11T22:58:16.266Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/126348"
        },
        {
          "url": "https://support.apple.com/en-us/126349"
        },
        {
          "url": "https://support.apple.com/en-us/126350"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-20620",
    "datePublished": "2026-02-11T22:58:16.266Z",
    "dateReserved": "2025-11-11T14:43:07.859Z",
    "dateUpdated": "2026-02-11T22:58:16.266Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-20620\",\"sourceIdentifier\":\"product-security@apple.com\",\"published\":\"2026-02-11T23:16:05.577\",\"lastModified\":\"2026-02-12T15:10:37.307\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://support.apple.com/en-us/126348\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/126349\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/126350\",\"source\":\"product-security@apple.com\"}]}}"
  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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