{"id":"CVE-2025-43521","aliases":["EUVD-2025-203146","GHSA-cx5h-j8w3-whpr"],"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 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00132,"percentile":0.02794,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2025-12-12T20:56:17Z","modified":"2026-10-07T20:10:01Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/125886"},{"url":"https://support.apple.com/en-us/125887","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43521"},{"url":"https://github.com/advisories/GHSA-cx5h-j8w3-whpr"}],"sources":{"cve":[{"id":"CVE-2025-43521","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.","status":"published","published":"2025-12-12T20:56:17.101Z","modified":"2026-04-02T18:07:35.626Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:32:27.28543Z"}],"euvd":[{"id":"EUVD-2025-203146","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.","status":"published","published":"2025-12-12T20:56:17Z","modified":"2026-04-02T18:07:35Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:22.116757Z"}],"ghsa":[{"id":"GHSA-cx5h-j8w3-whpr","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 15.7.3. An app may be able to access sensitive user data.","status":"published","published":"2025-12-12T21:31:39Z","modified":"2025-12-17T21:31:47Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:05:15.720894Z"}],"nvd":[{"id":"CVE-2025-43521","description":"A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.","status":"published","published":"2025-12-12T21:15:56.927Z","modified":"2026-10-07T20:10:01.97Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:11:50.400521Z"}]}}