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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": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-03-26T02:44:18.961721+00:00", "value": {"mitigation_remediation": ["Apply the macOS Tahoe 26.4 update or later to remediate the issue.", "If an update is not available immediately, monitor for Apple security advisories and apply pending patches as soon as they are released.", "While awaiting updates, restrict the installation of applications from untrusted sources and verify that only notarised software runs on the system."], "summary": {"action": "Immediate patch", "impact": "Sensitive data exposure"}, "threat_synthesis": {"affected_systems": "Apple macOS Tahoe is affected. Devices running any version of macOS Tahoe prior to 26.4 remain vulnerable until the system is updated to 26.4 or later, as the issue is fixed in that release.", "description_and_impact": "The vulnerability in macOS Tahoe permits an application to read or retrieve sensitive user data that it would normally not have access to. The flaw stems from insufficient checks during data handling, allowing the application to bypass access controls and thus cause unauthorized disclosure of confidential information.", "risk_and_exploitability": "With a CVSS score of 5.3, the vulnerability is considered moderate in severity, and an EPSS score of less than 1 percent indicates a low probability of exploitation. It is not listed in the CISA KEV catalog. The likely attack vector is local, as an installed or launched application can exploit the flaw; no active exploit has been reported yet."}}}}, "created": "2026-03-25T11:36:44.746679+00:00", "updated": "2026-03-26T12:18:13.014402+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}