{"id":"CVE-2026-43791","title":"A validation issue was addressed with improved input sanitization","summary":"A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to read arbitrary files.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-22"],"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":"2026-09-17T15:16:47.003","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43791","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":"2026-09-17T14:36:09.059323Z"},"epss":0.00455,"epssPercentile":0.38714,"ingestedAt":"2026-09-14T21:15:17.530Z","slug":"CVE-2026-43791","body":"## Overview\n\nA validation issue was addressed with improved input sanitization. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to read arbitrary 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":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":205809,"id":"CVE-2026-43791","ts":1789596445785,"field":"cvss","old":null,"new":"6.5"},{"seq":205808,"id":"CVE-2026-43791","ts":1789596445785,"field":"severity","old":"none","new":"medium"}]}