What is CVE-2023-40445?

CVE-2023-40445 is a high-severity vulnerability in Apple iOS And Ipados, classified under CWE-358. CVSS score: 7.5/10. Published 2023-10-25.

How severe is CVE-2023-40445?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2023-40445

The issue was addressed with improved UI handling. This issue is fixed in iOS 17.1 and iPadOS 17.1. A device may persistently fail to lock.

Published 2023-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS

Weakness classification (CWE)

CWE-358

References

support.apple.com/en-us/HT213982 (Release Notes, Vendor Advisory)
support.apple.com/kb/HT213982 (Release Notes, Vendor Advisory)
seclists.org/fulldisclosure/2023/Oct/19 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40445?: CVE-2023-40445 is a high-severity vulnerability in Apple iOS And Ipados, classified under CWE-358. CVSS score: 7.5/10. Published 2023-10-25.
How severe is CVE-2023-40445?: High severity. CVSS v3 base score is 7.5 out of 10.