CVE-2025-43256: 
macOS vulnerability analysis and mitigation

CVE-2025-43256 is a security vulnerability discovered in Apple's macOS operating systems that allows an application to potentially gain root privileges through improper state management. The vulnerability affects macOS Sequoia versions up to 15.6 and macOS Sonoma versions up to 14.7.7, and was publicly disclosed on July 29, 2025 (Apple Support, NVD).

The vulnerability exists in the StorageKit component of macOS and is characterized by improper state management that could lead to privilege escalation. The issue has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-269 (Improper Privilege Management) (NVD).

If exploited, this vulnerability allows a malicious application to gain root privileges on the affected system, potentially giving the attacker complete control over the system and access to all user data (Apple Support, Apple Support).

Apple has addressed this vulnerability by improving state management in the affected components. Users are advised to update to macOS Sequoia 15.6 or macOS Sonoma 14.7.7 or later versions, which contain the security fix (Apple Support, Apple Support).