2026-07-27 20:14CVE-2026-64783apple
PUBLISHED5.2

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Problem type

  • Processing maliciously crafted web content may lead to an unexpected Safari crash

Affected products

Apple

Safari

< 26.6 - AFFECTED

iOS and iPadOS

< 26.6 - AFFECTED

macOS

< 26.6 - AFFECTED

visionOS

< 26.6 - AFFECTED

watchOS

< 26.6 - AFFECTED

References

GitHub Security Advisories

GHSA-v4g2-v8g7-xcrm

A use-after-free issue was addressed with improved memory management. This issue is fixed in...

https://github.com/advisories/GHSA-v4g2-v8g7-xcrm

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-64783
Click to expand
{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-64783",
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "dateUpdated": "2026-07-27T20:14:39.670Z",
    "dateReserved": "2026-07-20T18:11:03.397Z",
    "datePublished": "2026-07-27T20:14:39.670Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple",
        "dateUpdated": "2026-07-27T20:14:39.670Z"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash."
        }
      ],
      "affected": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
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        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
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              "lessThan": "26.6"
            }
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        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
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        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
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        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Processing maliciously crafted web content may lead to an unexpected Safari crash"
            }
          ]
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      ],
      "references": [
        {
          "url": "https://support.apple.com/en-us/128066"
        },
        {
          "url": "https://support.apple.com/en-us/128067"
        },
        {
          "url": "https://support.apple.com/en-us/128068"
        },
        {
          "url": "https://support.apple.com/en-us/128070"
        },
        {
          "url": "https://support.apple.com/en-us/128073"
        }
      ]
    }
  }
}