CVE-2026-112608 in iOS
Summary
by MITRE • 10/26/2026
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted Bluetooth packet may result in disclosure of process memory.
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Analysis
by VulDB Data Team • 10/26/2026
The vulnerability described involves an out-of-bounds read condition within the Bluetooth protocol stack processing logic on Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. This type of flaw typically arises when a software component fails to properly validate input data before accessing memory locations associated with that data. In this specific instance, the system processes incoming Bluetooth packets without sufficient bounds checking, allowing an attacker who can transmit maliciously crafted wireless signals to trigger access beyond the intended boundaries of allocated process memory buffers.
From a technical perspective, out-of-bounds reads are classified under CWE-125 in the Common Weakness Enumeration standard. This category encompasses situations where software reads data outside the boundary of a buffer or array. When such an error occurs during the processing of network packets like those used in Bluetooth communications, it can lead to information disclosure vulnerabilities. The attacker does not necessarily need to execute arbitrary code but rather needs to craft specific packet structures that cause the application to read memory contents that were not intended for public access. This could include sensitive data residing in adjacent memory regions such as cryptographic keys, session tokens, or other private user information stored within the process space of the affected system component.
The operational impact of this vulnerability is primarily centered on confidentiality rather than integrity or availability. By exploiting this flaw, a remote attacker positioned within Bluetooth range can potentially extract arbitrary bytes from the target device's memory. While the immediate risk may seem limited to data leakage, such disclosures can serve as stepping stones for more severe attacks. For example, leaked memory contents might reveal stack addresses useful for bypassing security mitigations like Address Space Layout Randomization or expose encryption keys that compromise subsequent communications. The severity is heightened by the proximity requirement of Bluetooth, which limits the attack surface to physically nearby devices but increases the likelihood of successful exploitation in public spaces where users frequently pair with unknown peripherals.
Apple has addressed this issue through improved bounds checking mechanisms within the affected operating systems versions iOS 27 and later, iPadOS 27 and later, macOS Golden Gate 27 and later, tvOS 27 and later, visionOS 27 and later, and watchOS 27 and later. These updates ensure that incoming Bluetooth packets are rigorously validated against buffer limits before processing begins, thereby preventing the out-of-bounds access. Users should update their devices to these latest versions immediately to mitigate the risk of exploitation. Additionally, maintaining strict control over Bluetooth pairing requests and disabling visibility when not in use can reduce exposure to such proximity-based attacks. From a defensive posture perspective, this vulnerability aligns with ATT&CK technique T1005 which involves data from local system memory being collected by an adversary for later exfiltration or analysis.