{"id":"CVE-2025-43510","published":"2025-12-12T21:15:55Z","modified":"2026-10-07T11:10:00Z","title":"Apple Multiple Products Improper Locking Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A memory corruption issue was addressed with improved lock state checking. 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 cause unexpected changes in memory shared between processes.","provenance":"source","from":"NVD"},"summary":{"text":"Apple's multiple products contain an improper locking flaw, caused by a memory corruption issue in which lock state checking was inadequate. A malicious local application that is launched by a user can cause unexpected changes in memory shared between processes.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:15:25Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00355,"percentile":0.29215,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2026-03-20","dueDate":"2026-04-03","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://support.apple.com/en-us/125632 ; https://support.apple.com/en-us/125633 ; https://support.apple.com/en-us/125634 ; https://support.apple.com/en-us/125635 ; https://support.apple.com/en-us/125636 ; https://support.apple.com/en-us/125637 ; https://support.apple.com/en-us/125638 ; https://support.apple.com/en-us/125639 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43510","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-03-18","exploitedFirstSeen":"2026-03-18","ransomware":false,"evidence":[{"url":"https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/","date":"2026-03-18"},{"url":"https://iverify.io/blog/darksword-ios-exploit-kit-explained","date":"2026-03-18"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-03-20"},{"url":"https://8ksec.io/how-browser-exploits-work-darksword-ios-cve-2025-43529/","date":"2026-04-19"},{"url":"https://www.trellix.com/advanced-research-center/threat-reports/secondsight-threat-hunting-report-september-2026/","date":"2026-09-08"},{"url":"https://censys.com/blog/darksword-coruna-open-directory-finding-report/","date":"2026-10-07"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Adversary Unmasked APT Profile - Star Blizzard","url":"https://otx.alienvault.com/pulse/6ae244fe073f118d830cf4be","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"}],"provenance":"machine"},"cwes":[{"id":"CWE-667","name":"Improper Locking"}],"references":[{"url":"https://support.apple.com/en-us/125632","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125633","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125634","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125635","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125636","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125637","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125638","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125639","tags":["Release Notes","Vendor Advisory"]},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/","tags":["Technical Description"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Victim must run malicious application locally","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"A malicious application may cause unexpected changes in memory shared between processes","start":255,"end":342}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1068","name":"Exploitation for Privilege Escalation","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Memory corruption yields local privilege escalation","mappingType":"primary_impact","evidence":[{"from":"description","quote":"A memory corruption issue was addressed with improved lock state checking","start":0,"end":73}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2025-203138","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-203138","exploited":true,"exploitedSince":"2026-03-20","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"ai"},{"stage":"primary","techniques":["T1068"],"provenance":"ai"}],"timeline":[{"date":"2025-12-12","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43510","provenance":"source"},{"date":"2026-03-18","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/","provenance":"source"},{"date":"2026-03-20","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-03-20","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-203138","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":98},"priority":{"score":54.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 226 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":5.84,"detail":"percentile 0.2922"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-667"}}