CVE-2024-40849

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.1)"}}], "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": "2026-04-03T22:26:48.097996+00:00", "value": {"mitigation_remediation": ["Apply the macOS Sequoia\u202f15.1 update or later", "Upgrade to macOS Sequoia\u202f15.1 if not already running it", "Enable automatic system updates to receive timely security patches", "If an earlier version must remain in use, monitor Apple\u2019s security advisory for any additional mitigations", "Review applications for sandbox enforcement compliance"], "summary": {"action": "Immediate Patch", "impact": "Sandbox escape leading to potential privilege escalation"}, "threat_synthesis": {"affected_systems": "Apple macOS systems, particularly those running versions prior to Sequoia 15.1. The vulnerability impacts the operating system\u2019s sandbox enforcement mechanism. Affected versions are all earlier releases of macOS before the 15.1 update.", "description_and_impact": "A race condition can allow an application to escape its sandbox. The flaw was corrected with additional validation and fixed in macOS Sequoia 15.1. If exploited, the attacker could gain privileges beyond the sandbox, enabling execution of arbitrary code.", "risk_and_exploitability": "The CVSS score of 7.5 indicates high severity. EPSS under 1% suggests a low probability of current exploitation. The issue is not listed as a known exploited vulnerability, but its high severity and potential to bypass sandbox justify urgent remediation. Attackers would need to trigger the race condition within the sandbox environment, which could be feasible in some contexts."}}}}, "created": "2026-04-03T07:31:49.643628+00:00", "title": "Race Condition Allows Sandbox Escape on macOS", "updated": "2026-04-07T07:55:34.558251+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}