CVE-2026-84590

Full vulnerability record from the local CVENow database.

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

[email protected]

Published

2026-10-26 21:20:13.800000

Last modified

2026-10-26 21:20:13.800000

View original CVE JSON

{
  "id": "CVE-2026-84590",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-26T21:20:13.800",
  "lastModified": "2026-10-26T21:20:13.800",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "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]"
    }
  ]
}