What’s Vulnerable › Vulnerabilities

CVE-2023-40408

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-25 · updated 2026-06-17
• Weakness: CWE-400

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1. Hide My Email may be deactivated unexpectedly.

Affected products

• Apple iPadOS: before 16.7.2; from 17.0 before 17.1 — fixed in 16.7.2, 17.1
• Apple Iphone Os: before 16.7.2; from 17.0 before 17.1 — fixed in 16.7.2, 17.1
• Apple macOS: 14.0
• Apple watchOS: before 10.1 — fixed in 10.1

How to fix

Upgrade to a fixed version: Apple iPadOS 16.7.2, 17.1; Apple Iphone Os 16.7.2, 17.1; Apple watchOS 10.1. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/19
• http://seclists.org/fulldisclosure/2023/Oct/23
• http://seclists.org/fulldisclosure/2023/Oct/24
• http://seclists.org/fulldisclosure/2023/Oct/25
• https://support.apple.com/en-us/HT213981
• https://support.apple.com/en-us/HT213982
• https://support.apple.com/en-us/HT213984
• https://support.apple.com/en-us/HT213988
• https://support.apple.com/kb/HT213981
• https://support.apple.com/kb/HT213982
• https://support.apple.com/kb/HT213984
• https://support.apple.com/kb/HT213988

Get alerted when CVE-2023-40408 or the next vulnerability affects your stack