CVE-2025-43191: 
macOS vulnerability analysis and mitigation

CVE-2025-43191 is a path handling vulnerability discovered in Apple's macOS operating systems. The vulnerability was disclosed on July 29, 2025, and affects multiple versions of macOS including Sequoia, Sonoma, and Ventura. The issue was discovered by security researcher Ryan Dowd (@_rdowd) and has been addressed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7 (Apple Support).

The vulnerability stems from a path handling issue in the Admin Framework component of macOS. The CVSS 3.1 base score for this vulnerability is 6.2 (Medium), with a vector string of CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The vulnerability is classified as CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) (NVD).

When exploited, this vulnerability allows a malicious application to cause a denial-of-service condition on the affected system. The attack requires local access but does not need privileges or user interaction to execute (Apple Support).

Apple has released security updates to address this vulnerability 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 to mitigate the risk (Apple Support, Apple Support, Apple Support).