What’s Vulnerable › Vulnerabilities

CVE-2023-40398

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-29 · updated 2026-06-17

Description

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.4, macOS Big Sur 11.7.5, macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. A sandboxed process may be able to circumvent sandbox restrictions.

Affected products

• Apple iPadOS: before 16.4 — fixed in 16.4
• Apple Iphone Os: before 16.4 — fixed in 16.4
• Apple macOS: before 11.7.5; from 12.0 before 12.6.4; from 13.0 before 13.3 — fixed in 11.7.5, 12.6.4, 13.3

How to fix

Upgrade to a fixed version: Apple iPadOS 16.4; Apple Iphone Os 16.4; Apple macOS 11.7.5, 12.6.4, 13.3. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213677
• https://support.apple.com/en-us/HT213670
• https://support.apple.com/en-us/HT213675
• https://support.apple.com/en-us/HT213676
• https://support.apple.com/en-us/HT213677

Get alerted when CVE-2023-40398 or the next vulnerability affects your stack