7.1
High
CVE-2026-20683 An authentication issue was addressed with improved state management
Description
An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 27 | earliest → < 27 | 27 |
| macOS 27 | earliest → < 27 | 27 |
| macOS 26.7 | earliest → < 26.7 | 26.7 |
| macOS 15.8 | earliest → < 15.8 | 15.8 |
| visionOS 27 | earliest → < 27 | 27 |
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