CVSS 3.1 Score 5.5 of 10 (medium)


Published Sep 27, 2023
Updated: Nov 7, 2023


CVE-2023-40399 is a vulnerability that affects various products including tvOS, iOS, iPadOS, watchOS, and macOS Sonoma. The vulnerability allows an app to disclose kernel memory. It has been fixed in the latest versions of these operating systems - tvOS 17, iOS 17, iPadOS 17, watchOS 10, and macOS Sonoma 14. The vulnerability has a base severity of MEDIUM with a base score of 5.5. It requires user interaction and has a local attack vector. While it does not have an integrity impact, it poses a high risk to confidentiality. The CVSS score for this vulnerability is 5.5 (MEDIUM).


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