CVE-2026-64747 Apple CVE debrief

Who should care

Organizations and individuals using affected Apple products, particularly those with high-risk exposure or requiring kernel-level security, should prioritize patching. This includes administrators of Apple devices in enterprise environments, users of Apple products in sensitive or high-risk scenarios, and security teams responsible for vulnerability management. The potential for arbitrary code execution with kernel privileges makes this a critical concern for those relying on Apple products for sensitive operations or in high-risk environments.

Technical summary

A buffer overflow vulnerability, addressed with improved size validation, exists in various Apple products, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. An app may be able to execute arbitrary code with kernel privileges. The issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. This vulnerability has a CVSS score of 7.8 and is considered High severity.

Defensive priority

High priority due to CVSS score of 7.8 and potential for arbitrary code execution with kernel privileges.

Recommended defensive actions

• Apply patches from Apple for affected products
• Inventory and update vulnerable systems
• Monitor system logs for suspicious activity
• Implement compensating controls to limit exploitation
• Review system configurations for potential weaknesses
• Conduct regular security audits
• Verify patch deployment across the environment

Evidence notes

The CVE record indicates a buffer overflow vulnerability addressed with improved size validation in various Apple products. The issue is fixed in multiple operating system versions. Limited information is available on the exact scope of affected systems and potential attack vectors. Defenders should verify patch deployment, review system logs for suspicious activity, and assess the impact on their specific environments. Additional details may be found in Apple security advisories and NVD vulnerability information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.