CVE-2025-43244: 
macOS vulnerability analysis and mitigation

A race condition vulnerability (CVE-2025-43244) was discovered in macOS systems, affecting multiple versions including macOS Sequoia, Sonoma, and Ventura. The vulnerability was disclosed on July 29, 2025, and was identified by ABC Research s.r.o. The affected systems include macOS Sequoia versions up to 15.6, macOS Sonoma versions up to 14.7.7, and macOS Ventura versions up to 13.7.7 (Apple Support, NVD).

The vulnerability is classified as a race condition in the AMD component of macOS systems that was addressed with improved state handling. The issue received a CVSS 3.1 Base Score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerability is categorized under CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization) (NVD).

When exploited, this vulnerability could allow an application to cause unexpected system termination. The high CVSS score indicates potential severe impacts on system confidentiality, integrity, and availability (NVD).

The vulnerability has a low attack complexity (AC:L) and requires no privileges (PR:N) or user interaction (UI:N) to exploit, making it highly exploitable. The network vector (AV:N) indicates it can be exploited remotely (NVD).

Apple has addressed this vulnerability by implementing improved state handling in the affected systems. The fix is available in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7. Users are advised to update their systems to these versions or later to mitigate the vulnerability (Apple Support, Apple Support, Apple Support).