What’s Vulnerable › Vulnerabilities

CVE-2023-40417

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-27 · updated 2026-06-17

Description

A window management issue was addressed with improved state management. This issue is fixed in Safari 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Visiting a website that frames malicious content may lead to UI spoofing.

Affected products

• Apple iPadOS: before 17.0 — fixed in 17.0
• Apple Iphone Os: before 17.0 — fixed in 17.0
• Apple macOS: before 14.0 — fixed in 14.0
• Apple Safari: before 17.0 — fixed in 17.0
• Apple watchOS: before 10.0 — fixed in 10.0

How to fix

Upgrade to a fixed version: Apple iPadOS 17.0; Apple Iphone Os 17.0; Apple macOS 14.0; Apple Safari 17.0; Apple watchOS 10.0. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/2
• http://seclists.org/fulldisclosure/2023/Oct/3
• http://seclists.org/fulldisclosure/2023/Oct/8
• http://seclists.org/fulldisclosure/2023/Oct/9
• https://support.apple.com/en-us/HT213937
• https://support.apple.com/en-us/HT213938
• https://support.apple.com/en-us/HT213940
• https://support.apple.com/en-us/HT213941
• http://seclists.org/fulldisclosure/2023/Oct/2
• http://seclists.org/fulldisclosure/2023/Oct/3
• http://seclists.org/fulldisclosure/2023/Oct/8
• http://seclists.org/fulldisclosure/2023/Oct/9

Get alerted when CVE-2023-40417 or the next vulnerability affects your stack