{"id":"CVE-2026-20620","aliases":["EUVD-2026-5927","GHSA-3jj8-9qpj-6989"],"status":"published","title":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in...","description":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00216,"percentile":0.12133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-02-11T22:58:16Z","modified":"2026-06-17T10:17:32Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/126348","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126349","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126350","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20620"},{"url":"https://github.com/advisories/GHSA-3jj8-9qpj-6989"}],"sources":{"cve":[{"id":"CVE-2026-20620","description":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2026-02-11T22:58:16.266Z","modified":"2026-04-02T18:13:36.594Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-5927","description":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2026-02-11T22:58:16Z","modified":"2026-04-02T18:13:36Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:20.863543Z"}],"ghsa":[{"id":"GHSA-3jj8-9qpj-6989","title":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in...","description":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2026-02-12T00:31:04Z","modified":"2026-02-13T21:34:12Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:06:13.022126Z"}],"nvd":[{"id":"CVE-2026-20620","description":"An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.","status":"published","published":"2026-02-11T23:16:05.577Z","modified":"2026-06-17T10:17:32.733Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}