{"id":"CVE-2026-20677","title":"A race condition was addressed with improved handling of symbolic links","summary":"A race condition was addressed with improved handling of symbolic links. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcu…","severity":"critical","cvss":9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-362","CWE-367"],"vendor":"apple","product":"ipados","affected":["ipados < 18.7.5","ipados >= 26.0, < 26.3","iphone_os < 18.7.5","iphone_os >= 26.0, < 26.3","macos < 14.8.4","macos >= 26.0, < 26.3","visionos < 26.3"],"patched":["ipados 26.3","iphone_os 26.3","macos 26.3","visionos 26.3"],"published":"2026-02-11","updated":"2026-08-21","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20677","references":[{"url":"https://support.apple.com/en-us/126346","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/126347","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/126348","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/126349","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/126350","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/126353","label":"product-security@apple.com"}],"tags":["nvd"],"epss":0.00286,"epssPercentile":0.21334,"ingestedAt":"2026-08-21T03:06:25.472Z","slug":"CVE-2026-20677","body":"## Overview\n\nA race condition was addressed with improved handling of symbolic links. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcut may be able to bypass sandbox restrictions.\n\n## Affected\n\n- `ipados < 18.7.5`\n- `ipados >= 26.0, < 26.3`\n- `iphone_os < 18.7.5`\n- `iphone_os >= 26.0, < 26.3`\n- `macos < 14.8.4`\n- `macos >= 26.0, < 26.3`\n- `visionos < 26.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.3`\n- `iphone_os 26.3`\n- `macos 26.3`\n- `visionos 26.3`","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":49.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}