CVE-2026-113912 in iOS
Summary
by MITRE • 10/26/2026
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, 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. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
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Analysis
by VulDB Data Team • 10/26/2026
The vulnerability described constitutes an out-of-bounds access flaw within the media processing subsystem of Apple operating systems, including iOS, iPadOS, macOS, tvOS, and visionOS. This type of error typically arises when a software application reads from or writes to a memory location that is outside the intended buffer boundary. In this specific instance, the root cause lies in insufficient bounds checking during the parsing or decoding of media files. When an attacker provides a maliciously crafted file designed to exploit these boundaries, the system fails to validate whether the requested data access falls within the allocated memory space for the processing routine. This lack of validation allows the application to interact with arbitrary memory addresses, bypassing standard safety mechanisms that are supposed to isolate processes and prevent unauthorized memory manipulation.
The operational impact of this vulnerability is significant due to its potential to destabilize system integrity and availability. Processing a maliciously crafted media file can lead to unexpected app termination, which represents a denial-of-service condition for the affected application or potentially broader system instability if critical services are involved. More critically, the ability to corrupt process memory opens the door to more severe exploitation scenarios. Memory corruption vulnerabilities are frequently leveraged by attackers to execute arbitrary code with elevated privileges. By overwriting specific memory structures such as function pointers or return addresses, an attacker could achieve remote code execution on the affected device. This transforms a simple crash into a potential full system compromise, allowing for data exfiltration, persistence mechanisms, or lateral movement within a networked environment.
From a classification perspective, this vulnerability aligns with CWE-125, which defines out-of-bounds read vulnerabilities, and potentially CWE-787 if the access involves writing to memory outside of bounds. The exploitation technique corresponds to ATT&CK tactic T1059, specifically command and script interpreter abuse or execution via binary manipulation, as well as T1499, endpoint denial of service. These mappings highlight that while the immediate symptom is a crash, the underlying technical flaw provides an attack vector for privilege escalation and code injection. The vulnerability affects multiple platforms because media processing libraries are often shared components across Apple's ecosystem to ensure consistent user experience and feature parity between devices such as iPhones, iPads, Macs, and Apple TVs.
Mitigation strategies primarily rely on applying the software updates provided by Apple that address this issue in iOS 26.7, iPadOS 26.7, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, and visionOS 27.2. Administrators should ensure that all devices within their environment are patched to these versions or later to eliminate the out-of-bounds access flaw. For users unable to update immediately, defensive measures include disabling automatic media downloads from untrusted sources and avoiding opening media files received via email or messaging applications unless they have been verified as safe. Additionally, enabling sandboxing features where available can limit the impact of a successful exploit by restricting the compromised process's ability to interact with other system resources. Continuous monitoring for anomalous behavior in media processing services may also help detect attempted exploitation activities before significant damage occurs.