What’s Vulnerable › Vulnerabilities

CVE-2023-40443

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-27 · updated 2026-06-17

Description

The issue was addressed with improved checks. This issue is fixed in iOS 17 and iPadOS 17. An app may be able to gain root privileges.

Affected products

• Apple iPadOS: before 17.0 — fixed in 17.0
• Apple Iphone Os: before 17.0 — fixed in 17.0

How to fix

Upgrade to a fixed version: Apple iPadOS 17.0; Apple Iphone Os 17.0. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/8
• https://support.apple.com/en-us/HT213938
• https://support.apple.com/kb/HT213940
• http://seclists.org/fulldisclosure/2023/Oct/8
• https://support.apple.com/en-us/HT213938
• https://support.apple.com/kb/HT213940

Get alerted when CVE-2023-40443 or the next vulnerability affects your stack