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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,14.8.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,15.7.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "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": "2026-03-25T03:23:03.413764+00:00", "value": {"mitigation_remediation": ["Upgrade macOS to at least Sequoia\u202f15.7.5, Sonoma\u202f14.8.5, or Tahoe\u202f26.3.", "Verify that the latest macOS security updates are installed and reboot any machines that required a restart.", "If an immediate upgrade is not possible, limit exposure by restricting untrusted string input to sandboxed or monitored applications.", "Continuously check Apple support for additional advisories or patches."], "summary": {"action": "Apply Update", "impact": "Heap corruption that may allow code execution"}, "threat_synthesis": {"affected_systems": "Apple macOS versions older than Sequoia\u202f15.7.5, Sonoma\u202f14.8.5, and Tahoe\u202f26.3 are affected. Systems running these or newer releases contain the fix and are no longer vulnerable.", "description_and_impact": "An integer overflow was discovered in macOS input handling, causing an improperly validated numeric value to corrupt heap memory when a specially crafted string is processed. This corruption can overwrite critical data structures, potentially enabling an attacker to execute arbitrary code, compromise data integrity, or disrupt system availability.", "risk_and_exploitability": "Exploit likelihood is uncertain because no official probability score is provided and the vulnerability is not recorded as a known exploited issue. Nevertheless, the nature of heap corruption indicates a high potential for serious compromise. The likely attack path involves an attacker delivering a malicious string to a component that accepts user input, which could be local or, if an exposed service processes such input, remote."}}}}, "created": "2026-03-25T11:36:19.564073+00:00", "title": "Heap Corruption via Integer Overflow in macOS", "updated": "2026-03-25T21:16:36.859747+00:00", "vendors": ["apple", "apple$PRODUCT$macos"], "weaknesses": ["CWE-190", "CWE-122"]}