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CVE-2022-26771: A malicious application may be able to execute arbitrary code with kernel privileges in Apple watchOS

High
VulnerabilityCVE-2022-26771cvecve-2022-26771
Published: Thu May 26 2022 (05/26/2022, 19:26:34 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: watchOS

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 8.6, tvOS 15.5, iOS 15.5 and iPadOS 15.5. A malicious application may be able to execute arbitrary code with kernel privileges.

AI-Powered Analysis

AILast updated: 07/08/2025, 14:41:19 UTC

Technical Analysis

CVE-2022-26771 is a high-severity memory corruption vulnerability affecting Apple watchOS, as well as related Apple operating systems including tvOS 15.5, iOS 15.5, and iPadOS 15.5. The vulnerability stems from improper state management that can lead to memory corruption, classified under CWE-787 (Out-of-bounds Write). A maliciously crafted application exploiting this flaw could execute arbitrary code with kernel-level privileges, effectively gaining full control over the affected device's operating system. Exploitation requires local access (AV:L) but does not require prior authentication (PR:N), though it does require user interaction (UI:R), such as installing or running a malicious app. The vulnerability impacts confidentiality, integrity, and availability, as kernel-level code execution can bypass security controls, access sensitive data, and disrupt system operations. Apple addressed this issue in watchOS 8.6 and corresponding updates for other platforms by improving state management to prevent memory corruption. No known exploits in the wild have been reported to date, but the potential impact remains significant given the privileged nature of the vulnerability and the widespread use of Apple devices in personal and enterprise environments.

Potential Impact

For European organizations, this vulnerability poses a significant risk particularly for those with employees or operations relying on Apple ecosystem devices, including Apple Watches, iPhones, iPads, and Apple TVs. Kernel-level compromise could lead to unauthorized access to corporate data, interception of communications, and persistent footholds within enterprise networks if devices are used for corporate email, VPN access, or secure communications. The risk is heightened in sectors with stringent data protection requirements such as finance, healthcare, and government, where device compromise could lead to data breaches or regulatory non-compliance under GDPR. Additionally, the requirement for user interaction means social engineering or phishing campaigns could be leveraged to deliver malicious applications. The vulnerability could also impact organizations deploying mobile device management (MDM) solutions if compromised devices are used as trusted endpoints. While no active exploits are known, the high CVSS score (7.8) and kernel-level impact necessitate prompt remediation to mitigate potential risks.

Mitigation Recommendations

European organizations should prioritize updating all affected Apple devices to watchOS 8.6, iOS 15.5, iPadOS 15.5, and tvOS 15.5 or later versions as soon as possible. Beyond patching, organizations should enforce strict application installation policies, restricting device users from installing untrusted or unsigned applications, especially on corporate-managed devices. Implementing robust mobile device management (MDM) policies can help enforce these restrictions and monitor device compliance. User awareness training should emphasize the risks of installing unverified apps and recognizing phishing attempts that could deliver malicious payloads. Network segmentation and endpoint detection solutions should be employed to monitor for anomalous behavior indicative of kernel-level compromise. Additionally, organizations should audit and limit the use of Apple Watches and other Apple devices in high-risk environments or where sensitive data access is critical until patches are applied. Regular vulnerability scanning and asset inventory updates will ensure all devices are accounted for and properly updated.

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Technical Details

Data Version
5.1
Assigner Short Name
apple
Date Reserved
2022-03-08T00:00:00.000Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6839e73e182aa0cae2b929fa

Added to database: 5/30/2025, 5:13:34 PM

Last enriched: 7/8/2025, 2:41:19 PM

Last updated: 7/30/2025, 7:37:11 PM

Views: 11

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