Vulnerability in Apple iOS And Ipados

CVE-2023-40400

This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2023-40400?
CVE-2023-40400 is a critical-severity vulnerability in Apple iOS And Ipados. CVSS score: 9.8/10. Published 2023-09-27.
How severe is CVE-2023-40400?
Critical severity. CVSS v3 base score is 9.8 out of 10.