{"id":"CVE-2026-28899","title":"A logic issue was addressed with improved checks","summary":"A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.6, macOS Tahoe 26.7. An app may bypass Gatekeeper checks.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-693"],"vendor":"apple","product":"macos","affected":["macos >= 15.0, < 15.8","macos >= 26.0, < 26.6"],"patched":["macos 26.6"],"published":"2026-09-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:40:37.820","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28899","references":[{"url":"https://support.apple.com/en-us/128067","label":"product-security@apple.com"},{"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"],"epss":0.00159,"epssPercentile":0.0542,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-16T19:36:40.360547Z"},"ingestedAt":"2026-09-14T21:15:17.525Z","slug":"CVE-2026-28899","body":"## Overview\n\nA logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.6, macOS Tahoe 26.7. An app may bypass Gatekeeper checks.\n\n## Affected\n\n- `macos >= 15.0, < 15.8`\n- `macos >= 26.0, < 26.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 26.6`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205727,"id":"CVE-2026-28899","ts":1789589122010,"field":"cvss","old":null,"new":"5.5"},{"seq":205726,"id":"CVE-2026-28899","ts":1789589122010,"field":"severity","old":"none","new":"medium"}]}