CVE-2026-64726 in iOS
Summary
by MITRE • 07/28/2026
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker in physical proximity may be able to corrupt process memory.
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Analysis
by VulDB Data Team • 07/28/2026
This vulnerability represents a critical memory corruption issue that affects multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions 26.6 and later. The flaw stems from inadequate memory handling mechanisms within the system's core architecture, creating potential attack vectors for adversaries who can exploit these weaknesses through physical proximity to target devices. The vulnerability classification aligns with common weakness enumeration cwes such as cwe 125 out of bounds read conditions and cwe 787 out of bounds write conditions which are frequently exploited in memory corruption attacks.
The technical implementation of this flaw manifests through improper memory management routines that fail to properly validate buffer boundaries or handle memory allocation requests. When processes attempt to access or modify memory locations beyond their allocated boundaries attackers can potentially manipulate process memory contents through carefully crafted inputs or system interactions. This type of vulnerability is particularly concerning as it operates at the kernel level or system framework layer where memory corruption can lead to complete system compromise. The physical proximity requirement suggests this attack may leverage side channel information disclosure techniques or direct hardware manipulation methods rather than network-based exploitation.
Operational impact of this vulnerability extends beyond simple data corruption scenarios to potentially enable full system compromise through privilege escalation attacks. An attacker exploiting this weakness could gain unauthorized access to sensitive device information, manipulate running processes, or establish persistent backdoors within the affected systems. The memory corruption aspect particularly aligns with attack techniques described in the attack tree framework under tactics such as privilege escalation and persistence. Systems utilizing these vulnerable versions become susceptible to sophisticated attacks that could result in complete device takeover and data exfiltration.
The recommended mitigation strategy involves immediate deployment of the patched system versions 26.6 across all affected platforms including iOS iPadOS macOS tvOS visionOS and watchOS devices. Organizations should prioritize updating their fleet of devices through established mobile device management solutions to ensure comprehensive coverage. Additional defensive measures include implementing network monitoring to detect anomalous behavior patterns that may indicate exploitation attempts, maintaining strict physical security controls for devices in high-risk environments, and conducting regular vulnerability assessments to identify any remaining attack surfaces. Security teams should also consider deploying endpoint detection and response solutions that can monitor for suspicious memory access patterns and unauthorized process modifications. The patch addresses the underlying memory handling deficiencies through enhanced boundary checking mechanisms and improved memory allocation routines that prevent out of bounds memory operations.