CVE-2023-40396

HIGH
Published Jul 29, 2024 Modified Mar 19, 2025 CWE-77

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.

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor Product
apple ipados
apple iphone_os
apple macos
apple tvos
apple watchos

References

Frequently Asked Questions

What is CVE-2023-40396? +
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. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2023-40396? +
CVE-2023-40396 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-40396? +
CVE-2023-40396 affects products from apple, specifically: ipados, iphone_os, macos, tvos, watchos. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-40396? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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