{"id":"CVE-2026-84520","aliases":[],"title":"A buffer overflow was addressed with improved size validation.","titleSource":"apple","descriptionSource":"apple","products":[{"vendor":"Apple","name":"macOS","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"27","versionType":"custom"}],"source":"apple","url":"https://www.cve.org/CVERecord?id=CVE-2026-84520"}],"remediation":[],"description":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.","severity":"unknown","score":null,"published":"2026-09-14T20:48:15.606Z","modified":"2026-10-26T20:35:45.645Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://support.apple.com/en-us/149035"],"sources":[{"name":"CVE","id":"CVE-2026-84520","modified":"2026-10-26T20:35:45.645Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-84520"}],"assessments":[],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T21:30:35.328Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}