CVE-2026-113907 in iOS
Summary
by MITRE • 10/26/2026
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt process memory.
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Analysis
by VulDB Data Team • 10/27/2026
The vulnerability described involves a buffer overflow condition within the operating systems of Apple devices, specifically affecting iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions listed in the advisory. A buffer overflow occurs when a program writes more data to a fixed-length block of memory than it can hold, causing adjacent memory locations to be overwritten with unintended values. In this context, improved memory handling was implemented as the remediation strategy, indicating that the root cause likely stemmed from insufficient bounds checking or improper allocation logic during input processing. This type of flaw is classically categorized under CWE-120, which denotes a buffer copy without checks on size limits, and often falls into the broader category of CWE-787 if it involves out-of-bounds writes that corrupt memory structures critical to process integrity.
The operational impact of this vulnerability allows an application with local execution capabilities to trigger unexpected system termination or cause corruption of process memory. When a malicious app exploits this flaw, it can overwrite control flow data such as return addresses or function pointers stored on the stack or heap. This manipulation enables arbitrary code execution under the privileges of the compromised process. If the affected component runs with elevated permissions, an attacker could potentially gain full control over the device. Even if restricted to a sandboxed environment, memory corruption can lead to denial-of-service conditions by crashing system services or destabilizing core OS components, thereby degrading user experience and system reliability.
From a threat intelligence perspective, this vulnerability aligns with MITRE ATT&CK techniques related to privilege escalation and defense evasion through memory manipulation. Attackers may leverage such flaws during the initial access or execution phases of an attack chain to establish persistence or escalate privileges within the device's operating environment. The fact that multiple major OS families are affected suggests a shared codebase component, possibly in system libraries like libsystem or kernel extensions where common input validation routines reside. This widespread impact underscores the importance of timely patching across all supported devices to prevent exploitation by automated malware campaigns targeting unpatched iOS and macOS ecosystems.
Mitigation strategies primarily rely on applying the provided software updates which contain the corrected memory handling logic. Administrators should ensure that all managed devices are updated to at least iOS 26.7.2, iPadOS 26.7.2, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, or watchOS 27.2 depending on the device type. Beyond patching, developers should enforce strict input validation and utilize modern programming practices that prevent buffer overflows, such as using safe string handling functions and enabling compiler protections like stack canaries, Address Sanitizer, and Control Flow Integrity where applicable. Security teams should also monitor for anomalous process terminations or memory usage spikes which may indicate exploitation attempts in environments where immediate patching is not yet feasible.