About the security content of macOS Sequoia 15.8 - Apple Support

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Publishersupport.apple.com

Article IDNo stable ID in source URL

Verified snapshot26 Sept 2026, 16:54 UTC

Linked CVEs50

Linked CVE reports

These are source relationships, not a claim that this article fixes every affected product or branch.

CVE-2026-84540An authorization issue was addressed with improved state management
CVE-2026-84549An out-of-bounds read was addressed with improved bounds checking
CVE-2026-65382A parsing issue in the handling of directory paths was addressed with improved path validation
CVE-2026-84578A logic issue was addressed with improved checks
CVE-2026-84565An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84544An integer overflow was addressed with improved input validation
CVE-2026-43785A permissions issue was addressed with additional restrictions
CVE-2026-43697An out-of-bounds read was addressed with improved bounds checking
CVE-2026-65342A permissions issue was addressed with improved validation
CVE-2026-84552The issue was addressed with improved memory handling
CVE-2026-65381A validation issue existed in the entitlement verification
CVE-2026-65378An authorization issue was addressed with improved state management
CVE-2026-43790A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
CVE-2026-84526An out-of-bounds write issue was addressed with improved bounds checking
CVE-2026-65403This issue was addressed with improved checks
CVE-2026-84626An information disclosure issue was addressed with improved state management
CVE-2026-84574An app may be able to bypass Privacy preferences
CVE-2026-84621An authorization issue was addressed with improved access control
CVE-2026-65399A file quarantine bypass was addressed with additional checks
CVE-2026-65376An out-of-bounds read was addressed with improved bounds checking
CVE-2026-28966An out-of-bounds write issue was addressed with improved bounds checking
CVE-2026-65360A race condition was addressed with improved state handling
CVE-2026-84532An out-of-bounds read issue was addressed with improved input validation
CVE-2026-84524An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84572An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84525A logging issue was addressed with improved data redaction
CVE-2026-28968An out-of-bounds write issue was addressed with improved bounds checking
CVE-2026-65408An integer overflow was addressed with improved input validation
CVE-2026-65371This issue was addressed with improved redaction of sensitive information
CVE-2026-84567The issue was addressed with improved memory handling
CVE-2026-43683An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84527A logging issue was addressed with improved data redaction
CVE-2026-65359An out-of-bounds read was addressed with improved bounds checking
CVE-2026-43695An authorization issue was addressed with improved state management
CVE-2026-84618A permissions issue was addressed with improved validation
CVE-2026-84507A race condition was addressed with improved state handling
CVE-2026-84602A type confusion issue was addressed with improved checks
CVE-2026-84622A memory initialization issue was addressed with improved memory handling
CVE-2026-84573This issue was addressed with improved checks
CVE-2026-84570An app may be able to bypass Gatekeeper checks
CVE-2026-43787An attacker in a privileged network position may be able to leak sensitive user information
CVE-2026-84566A local attacker may be able to cause unexpected system termination or corrupt kernel memory
CVE-2026-65375The issue was addressed with improved authentication
CVE-2026-84564An uninitialized memory issue was addressed with improved memory initialization
CVE-2026-65361This issue was addressed with improved checks
CVE-2026-84548An integer overflow was addressed with improved input validation
CVE-2026-84509An out-of-bounds read was addressed with improved bounds checking
CVE-2026-84616A type confusion issue was addressed with improved memory handling
CVE-2026-84587A permissions issue was addressed with additional restrictions
CVE-2026-43789An access issue was addressed with additional sandbox restrictions

Source and provenance

Original title: About the security content of macOS Sequoia 15.8 - Apple Support. Captured 26 Sept 2026, 16:54 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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