CVE-2022-22641 in macOS
Summary
by MITRE • 03/18/2022
A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Monterey 12.3. An application may be able to gain elevated privileges.
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Analysis
by VulDB Data Team • 06/11/2026
This vulnerability represents a classic use-after-free condition that was remediated through enhanced memory management protocols within Apple's operating systems. The flaw occurred when an application attempted to access memory that had already been freed and potentially reallocated, creating a potential exploitation vector for malicious actors. The issue affected multiple Apple platforms including tvOS 15.4, iOS 15.4, iPadOS 15.4, and macOS Monterey 12.3, indicating a widespread concern across the company's ecosystem. Such vulnerabilities fall under the Common Weakness Enumeration category CWE-416, which specifically addresses the use of freed memory, making them particularly dangerous as they can lead to arbitrary code execution and system compromise.
The operational impact of this vulnerability extends beyond simple memory corruption, as it provided potential attackers with a pathway to escalate privileges within the affected systems. When an application could successfully exploit a use-after-free condition, it might gain elevated privileges, effectively allowing malicious software to operate with higher system permissions than originally intended. This privilege escalation capability significantly amplifies the potential damage that could be inflicted, as it would enable attackers to bypass standard security controls and access sensitive system resources. The vulnerability's presence across multiple platforms suggests that Apple's development teams identified a systemic memory management weakness that required coordinated patching across their entire software portfolio.
The remediation approach taken by Apple involved implementing improved memory management techniques that prevent applications from accessing freed memory locations. This typically includes mechanisms such as memory sanitization, pointer validation, and enhanced garbage collection processes that ensure memory blocks remain valid for the duration of their intended use. The fix required careful coordination across all affected platforms to maintain consistent security standards while minimizing disruption to legitimate application functionality. Organizations should prioritize deployment of these updates as they represent a critical security enhancement that directly addresses a known exploitation vector. The vulnerability's classification aligns with ATT&CK technique T1068, which covers 'Exploitation for Privilege Escalation', demonstrating how memory corruption vulnerabilities can be leveraged to achieve elevated system access. System administrators should verify that all devices within their environment have been updated to the patched versions to maintain adequate protection against potential exploitation attempts.