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CVE-2026-86991

Full vulnerability record from the local CVENow database.

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected process termination.

Severity
Not scored
CVSS score
Not available
Vulnerability status
Received
Source identifier
Published
2026-10-26 21:20:38.060000
Last modified
2026-10-26 21:20:38.060000
View original CVE JSON
{
  "id": "CVE-2026-86991",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-26T21:20:38.060",
  "lastModified": "2026-10-26T21:20:38.060",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected process termination."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.7.2",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "27.2",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "15.8.2",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "26.7.2",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "27.2",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "27.2",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://support.apple.com/en-us/149227",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/149230",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/149521",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/149522",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/149523",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/149526",
      "source": "[email protected]"
    }
  ]
}