CVE-2026-64744 Apple CVE debrief

Who should care

Organizations and individuals using affected Apple devices, specifically those running iOS, iPadOS, macOS Sequoia, Sonoma, or Tahoe, should prioritize patching to prevent potential information leakage. This includes reviewing and applying the latest security updates for iOS, iPadOS, and macOS. Security teams should assess their exposure and implement compensating controls if necessary. Vulnerability management and security operations teams should monitor system logs for potential information leakage and review the official CVE record and Apple support pages for mitigation guidance. IT and system administrators responsible for Apple devices should ensure that all affected systems are patched and up-to-date. Additionally, organizations should consider implementing monitoring and detection measures to identify potential exploitation attempts. This vulnerability may impact organizations with unmanaged or unpatched Apple devices, potentially allowing an app to disclose kernel memory. Therefore, it is crucial for organizations to assess their exposure and take necessary actions to mitigate this vulnerability. The CVSS score of 5.5 and severity rating of MEDIUM indicate that this vulnerability is not critical but still requires attention and mitigation efforts. By prioritizing patching and implementing compensating controls, organizations can reduce the risk associated with this vulnerability and protect their Apple devices from potential exploitation. Furthermore, organizations should review their incident response plans and ensure that they are prepared to respond to potential exploitation attempts. This includes identifying and isolating affected systems, containing the damage, and restoring systems to a known good state. By taking these steps, organizations can minimize the impact of this vulnerability and maintain the security and integrity of their Apple devices and data. In addition to patching and compensating controls, organizations should also consider implementing security measures such as network segmentation, access controls, and monitoring to detect and prevent potential exploitation attempts. By implementing these measures, organizations can further, who

Technical summary

CVE-2026-64744 is an information leakage vulnerability in Apple operating systems, including iOS, iPadOS, macOS Sequoia, Sonoma, and Tahoe. The issue was addressed with additional validation and fixed in various versions. An app may be able to disclose kernel memory. This vulnerability has a CVSS score of 5.5 and a severity rating of MEDIUM. Affected products include iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.

Defensive priority

Medium-priority defensive actions are recommended due to the potential for information leakage.

Recommended defensive actions

• Inventory affected Apple devices and apply patches
• Monitor system logs for potential information leakage
• Implement compensating controls to restrict app access to kernel memory
• Review official CVE record and Apple support pages for mitigation guidance
• Assess exposure and implement compensating controls for exposed systems
• Track exceptions and retest remediated assets

Evidence notes

The CVE record indicates an information leakage issue addressed with additional validation, fixed in various Apple operating systems. Limited details are provided about the specific vulnerability and affected products. To verify, defenders should review the official CVE record and Apple support pages for mitigation guidance. The issue may impact organizations using affected Apple devices, potentially allowing an app to disclose kernel memory.

Official resources