CVE-2023-40396

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17. An app may be able to execute arbitrary code with kernel privileges.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple tvOS
Affected: Apple macOS
Affected: Apple watchOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT213938 vendor advisory
https://support.apple.com/en-us/HT213936 vendor advisory
https://support.apple.com/en-us/HT213940 vendor advisory
https://support.apple.com/en-us/HT213937 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-40396?
CVE-2023-40396 has been scored as a high severity vulnerability.
How to fix CVE-2023-40396?
To fix CVE-2023-40396, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40396 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40396 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40396?
CVE-2023-40396 affects Apple iOS and iPadOS, Apple tvOS, Apple macOS, Apple watchOS.
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