Critical severity · published Oct 28, 2024
CVE-2024-40867
A custom URL scheme handling issue was addressed with improved input validation
9.6
CVSS
0.7%
EPSS
No
On KEV
Description
A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in iOS 18.1 and iPadOS 18.1. A remote attacker may be able to break out of Web Content sandbox.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 18.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-40867
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-40867
Release Notes
https://support.apple.com/en-us/121563
seclists.org
http://seclists.org/fulldisclosure/2024/Oct/9
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability