{"id":"CVE-2026-84559","title":"A permissions issue was addressed with improved validation","summary":"A permissions issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A malicious application may be able to access restricted files.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-693"],"vendor":"apple","product":"macos","affected":["macos >= 15.0, < 15.8","macos >= 26.0, < 26.7"],"patched":["macos 26.7"],"published":"2026-09-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T14:25:23.807","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84559","references":[{"url":"https://support.apple.com/en-us/149035","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149042","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149043","label":"product-security@apple.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T13:38:55.514116Z"},"epss":0.00122,"epssPercentile":0.02315,"ingestedAt":"2026-09-14T21:15:17.462Z","slug":"CVE-2026-84559","body":"## Overview\n\nA permissions issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A malicious application may be able to access restricted files.\n\n## Affected\n\n- `macos >= 15.0, < 15.8`\n- `macos >= 26.0, < 26.7`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 26.7`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":206098,"id":"CVE-2026-84559","ts":1789654805515,"field":"cvss","old":null,"new":"5.5"},{"seq":206097,"id":"CVE-2026-84559","ts":1789654805515,"field":"severity","old":"none","new":"medium"}]}