CVE-2025-43402

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{}

{"analysis": {"en": {"generated_at": "2026-04-27T22:38:15.136211+00:00", "value": {"mitigation_remediation": ["Update macOS to Sequoia 15.7.4, Sonoma 14.8.4, or Tahoe 26.1 where the flaw has been fixed", "If an OS update cannot be applied immediately, avoid running or installing applications that may trigger the memory corruption until the OS is updated", "Monitor system logs for unexpected crashes or abnormal termination events and disable the suspected application until the patch is applied"], "summary": {"action": "Patch Now", "impact": "Memory corruption leading to system crash or process corruption"}, "threat_synthesis": {"affected_systems": "Apple macOS releases prior to macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, and macOS Tahoe 26.1 are vulnerable. All earlier versions of these operating systems remain susceptible until the corresponding patches are installed.", "description_and_impact": "A flaw in macOS's memory handling can allow an application to corrupt memory, potentially leading to unexpected system termination or process corruption. This vulnerability, classified as CWE-787, reflects an out\u2011of\u2011bounds write that can overwrite critical data structures. The result is loss of process integrity and, in severe cases, a system crash.", "risk_and_exploitability": "The CVSS score of 7.8 marks this as a high\u2011severity flaw, yet the EPSS of less than 1% indicates a very low probability of exploitation at this time. The vulnerability is not present in the CISA KEV catalog, further suggesting limited exploitation activity. Based on the description, the attack vector is local, requiring an application that triggers the memory corruption. An attacker would need to deliver or execute a privileged or user\u2011level application that reaches the vulnerable code path to cause a crash or corrupt memory."}}}}, "created": "2025-12-14T21:15:43.739376+00:00", "title": "macOS Memory Corruption Causing Unexpected System Termination", "updated": "2026-04-27T22:45:15.472169+00:00", "vendors": ["apple", "apple$PRODUCT$macos", "apple$PRODUCT$macos_tahoe"]}