CVE-2025-43304: 
macOS vulnerability analysis and mitigation

CVE-2025-43304 is a race condition vulnerability discovered in Apple's macOS operating system. The vulnerability was disclosed on September 15, 2025, affecting multiple versions of macOS including Sequoia 15.7, Sonoma 14.8, and Tahoe 26. The issue was identified by security researcher Mickey Jin (@patch1t) and resides in the StorageKit component of macOS (Apple Support, NVD).

The vulnerability is classified as a race condition that was addressed with improved state handling in the StorageKit component. The CVSS v3.1 base score for this vulnerability is 7.0 (HIGH) with the vector string CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is associated with CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization) (NVD).

If exploited, this vulnerability could allow a malicious application to gain root privileges on the affected system. This elevated access could potentially give an attacker complete control over the system, allowing them to access, modify, or delete sensitive data and execute arbitrary code with the highest system privileges (Apple Support).

Apple has addressed this vulnerability by implementing improved state handling in the StorageKit component. The fix is available in macOS Sequoia 15.7, macOS Sonoma 14.8, and macOS Tahoe 26. Users are advised to update their systems to these versions or later to mitigate the vulnerability (Apple Support).