{"id":"CVE-2026-20699","aliases":["EUVD-2026-15074","GHSA-943h-6fx4-c427"],"status":"published","title":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing...","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00145,"percentile":0.03835,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-03-25T00:32:09Z","modified":"2026-06-17T10:17:43Z","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/126794","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126795","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126796","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20699"},{"url":"https://github.com/advisories/GHSA-943h-6fx4-c427"}],"sources":{"cve":[{"id":"CVE-2026-20699","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.","status":"published","published":"2026-03-25T00:32:09.424Z","modified":"2026-04-02T18:16:11.627Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-15074","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.","status":"published","published":"2026-03-25T00:32:09Z","modified":"2026-04-02T18:16:11Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:20.345501Z"}],"ghsa":[{"id":"GHSA-943h-6fx4-c427","title":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing...","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.","status":"published","published":"2026-03-25T03:31:30Z","modified":"2026-03-25T18:31:41Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:06:50.631069Z"}],"nvd":[{"id":"CVE-2026-20699","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.","status":"published","published":"2026-03-25T01:17:06.65Z","modified":"2026-06-17T10:17:43.3Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:10.568062Z"}]}}