What’s Vulnerable › Vulnerabilities

CVE-2024-40817

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-29 · updated 2026-06-17
• Weakness: CWE-1021

Description

The issue was addressed with improved UI handling. This issue is fixed in Safari 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to UI spoofing.

Affected products

• Apple macOS: from 12.0 before 12.7.6; from 13.0 before 13.6.8; from 14.0 before 14.6 — fixed in 12.7.6, 13.6.8, 14.6
• Apple Safari: before 17.6 — fixed in 17.6

How to fix

Upgrade to a fixed version: Apple macOS 12.7.6, 13.6.8, 14.6; Apple Safari 17.6. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/120910
• https://support.apple.com/en-us/120911
• https://support.apple.com/en-us/120912
• https://support.apple.com/en-us/120913
• http://seclists.org/fulldisclosure/2024/Jul/15
• http://seclists.org/fulldisclosure/2024/Jul/18
• http://seclists.org/fulldisclosure/2024/Jul/19
• http://seclists.org/fulldisclosure/2024/Jul/20
• https://support.apple.com/en-us/HT214118
• https://support.apple.com/en-us/HT214119
• https://support.apple.com/en-us/HT214120
• https://support.apple.com/en-us/HT214121

Get alerted when CVE-2024-40817 or the next vulnerability affects your stack