CVE-2024-40834 is a vulnerability identified in the Shortcuts app component of Apple macOS that allows a crafted shortcut to bypass sensitive app settings that normally require explicit user consent. The Shortcuts app enables users to automate tasks by creating sequences of actions, some of which access sensitive system or user data. Due to insufficient authorization checks (CWE-862), a shortcut can perform actions without triggering the expected user consent prompt, effectively circumventing security controls designed to protect user privacy and system integrity. The vulnerability requires local access with limited privileges and does not require user interaction to exploit, increasing the risk of stealthy misuse. Apple has fixed this issue by introducing an additional prompt for user consent in macOS Monterey 12.7.6, Sonoma 14.6, and Ventura 13.6.8. The CVSS v3.1 base score is 4.4 (medium), reflecting low attack complexity and limited scope but moderate confidentiality and integrity impact. No public exploits or active exploitation have been reported. This vulnerability highlights the importance of robust authorization checks in automation tools that interact with sensitive system components.

If exploited, this vulnerability could allow an attacker with local access to bypass security prompts in the Shortcuts app, potentially accessing or modifying sensitive data or system settings without user approval. This could lead to unauthorized disclosure of personal or corporate information, manipulation of workflows, or integrity violations in automated processes. While the vulnerability does not directly enable remote code execution or system-wide compromise, it undermines user trust in automation security and could be leveraged as part of a multi-stage attack chain. Organizations relying heavily on macOS automation for productivity or security workflows may face increased risk of data leakage or process tampering. The medium severity reflects that while the impact is not critical, it affects confidentiality and integrity and can be exploited with relatively low complexity by an authenticated local user.

1. Immediately update all affected macOS systems to the patched versions: Monterey 12.7.6, Sonoma 14.6, or Ventura 13.6.8. 2. Restrict local access to macOS devices, enforcing strong endpoint security controls and limiting user privileges to reduce the risk of local exploitation. 3. Audit and review existing shortcuts, especially those with elevated permissions or access to sensitive data, to ensure they are from trusted sources. 4. Educate users about the risks of running untrusted shortcuts and encourage the use of only vetted automation scripts. 5. Monitor macOS systems for unusual shortcut activity or unauthorized changes to automation workflows. 6. Employ endpoint detection and response (EDR) tools capable of detecting anomalous shortcut executions or privilege escalations. 7. Maintain up-to-date backups and incident response plans to quickly recover from potential misuse of this vulnerability.