{"id":"CVE-2026-84548","title":"An integer overflow was addressed with improved input validation","summary":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted document may lead to an out-of-bounds read.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","cwe":["CWE-190"],"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":"2026-09-17T16:18:12.213","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84548","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":"2026-09-17T15:10:25.902755Z"},"scores":{"nvd":7.1,"adp":5.5},"epss":0.00139,"epssPercentile":0.03663,"ingestedAt":"2026-09-14T21:15:17.508Z","slug":"CVE-2026-84548","body":"## Overview\n\nAn integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted document may lead to an out-of-bounds read.\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":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204944,"id":"CVE-2026-84548","ts":1789570682669,"field":"cvss","old":null,"new":"7.1"},{"seq":204943,"id":"CVE-2026-84548","ts":1789570682669,"field":"severity","old":"none","new":"high"}]}