{"id":"CVE-2025-43520","title":"A memory corruption issue was addressed with improved memory handling","summary":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-120"],"vendor":"apple","product":"ipados","affected":["ipados < 18.7.2","ipados = 26.0","iphone_os < 18.7.2","iphone_os = 26.0","macos >= 14.0, < 14.8.2","macos >= 15.0, < 15.7.2","macos = 26.0","tvos < 26.1","visionos < 26.1","watchos < 26.1"],"patched":["ipados 18.7.2","iphone_os 18.7.2","macos 15.7.2","tvos 26.1","visionos 26.1","watchos 26.1"],"published":"2025-12-12","updated":"2026-10-07","sourceUpdated":"2026-10-07T11:10:00.153","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-43520","references":[{"url":"https://support.apple.com/en-us/125632","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125633","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125634","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125635","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125636","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125637","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125638","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125639","label":"product-security@apple.com"},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43520","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","cve.org","exploit-available"],"epss":0.00425,"epssPercentile":0.36603,"kev":true,"kevDateAdded":"2026-03-20","kevDueDate":"2026-04-03","kevRansomware":false,"exploited":true,"exploitAvailable":true,"ssvc":{"exploitation":"active","automatable":"no","technicalImpact":"total","timestamp":"2026-03-21T04:01:02.724402Z"},"ingestedAt":"2026-09-21T17:49:53.185Z","slug":"CVE-2025-43520","body":"## Overview\n\nA memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.\n\n## Affected\n\n- `ipados < 18.7.2`\n- `ipados = 26.0`\n- `iphone_os < 18.7.2`\n- `iphone_os = 26.0`\n- `macos >= 14.0, < 14.8.2`\n- `macos >= 15.0, < 15.7.2`\n- `macos = 26.0`\n- `tvos < 26.1`\n- `visionos < 26.1`\n- `watchos < 26.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 18.7.2`\n- `iphone_os 18.7.2`\n- `macos 15.7.2`\n- `tvos 26.1`\n- `visionos 26.1`\n- `watchos 26.1`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":25,"ransomware":0},"changes":[]}