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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "iOS and iPadOS", "source": "cna", "vendor": "Apple"}, "product": "ios_and_ipados", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "tvOS", "source": "cna", "vendor": "Apple"}, "product": "tvos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "visionOS", "source": "cna", "vendor": "Apple"}, "product": "visionos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "watchOS", "source": "cna", "vendor": "Apple"}, "product": "watchos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-03-27T11:36:08.545419+00:00", "value": {"mitigation_remediation": ["Upgrade all Apple devices to iOS 26.4 or later, including iPadOS, tvOS, visionOS, and watchOS.", "Verify that the latest software update is installed on every device.", "Review third\u2011party applications and uninstall any that request unnecessary permissions or appear suspicious."], "summary": {"action": "Update", "impact": "User privacy \u2013 fingerprinting"}, "threat_synthesis": {"affected_systems": "Apple devices running iOS, iPadOS, tvOS, visionOS, or watchOS are affected. The issue exists in all releases prior to the 26.4 update for each platform, which addresses the problem.", "description_and_impact": "A permissions issue was identified that allows an application to bypass restrictions and fingerprint a user. The primary impact is the potential to uniquely identify a user across services, thereby compromising privacy. The weakness can be described as improper privilege management.", "risk_and_exploitability": "The CVSS score of 6.5 indicates moderate risk, while the EPSS score below 1% shows a low current exploitation likelihood, and the vulnerability is not listed in KEV. An attacker would need to install a malicious or compromised application that exploits the over\u2011permitted permission to collect identifying information. Once the app is executed, the attacker could fingerprint the user without requiring additional credentials."}}}}, "created": "2026-03-25T11:36:27.921357+00:00", "title": "Apple iOS/Apple OS Permission Issue Allows User Fingerprinting", "updated": "2026-03-27T15:47:54.361405+00:00", "vendors": ["apple", "apple$PRODUCT$ios_and_ipados", "apple$PRODUCT$tvos", "apple$PRODUCT$visionos", "apple$PRODUCT$watchos"], "weaknesses": ["CWE-284", "CWE-285"]}