{"id":"CVE-2025-43521","state":"PUBLISHED","title":"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","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.","publishedAt":"2025-12-12T20:56:17.101Z","updatedAt":"2026-04-02T18:07:35.626Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apple","products":["Apple macOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.7.3","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.2","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/125886","https://support.apple.com/en-us/125887"],"weaknesses":["CWE-347"],"ingestedAt":"2026-10-29T20:09:17.366Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/43xxx/CVE-2025-43521.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-43521","state":"PUBLISHED","datePublished":"2025-12-12T20:56:17.101Z","dateUpdated":"2026-04-02T18:07:35.626Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2025-04-16T15:27:21.196Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.7.3","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.2","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/125886"},{"url":"https://support.apple.com/en-us/125887"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"An app may be able to access sensitive user data"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-04-02T18:07:35.626Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-12-15T17:03:22.530351Z","id":"CVE-2025-43521","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","type":"CWE","lang":"en","description":"CWE-347 Improper Verification of Cryptographic Signature"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-15T17:06:30.130Z"}}]}}}