{"id":"CVE-2025-43506","title":"A logic error was addressed with improved error handling","summary":"A logic error was addressed with improved error handling. This issue is fixed in macOS Tahoe 26.1. iCloud Private Relay may not activate when more than one user is logged in at the same time.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-843"],"vendor":"apple","product":"macos","affected":["macos < 26.1"],"patched":["macos 26.1"],"published":"2025-12-12","updated":"2026-10-07","sourceUpdated":"2026-10-07T20:10:01.970","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-43506","references":[{"url":"https://support.apple.com/en-us/125634","label":"product-security@apple.com"}],"tags":["nvd"],"epss":0.00467,"epssPercentile":0.38331,"ingestedAt":"2026-10-07T20:46:46.917Z","slug":"CVE-2025-43506","body":"## Overview\n\nA logic error was addressed with improved error handling. This issue is fixed in macOS Tahoe 26.1. iCloud Private Relay may not activate when more than one user is logged in at the same time.\n\n## Affected\n\n- `macos < 26.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 26.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}