CVE-2026-20683
UnknownSummary
An authentication issue in Apple systems allows an app to use the Sign In With Apple flow to access the user's Apple Account. It was addressed with improved state management in iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27.
Risk Assessment
Unauthorized access to an Apple Account can lead to exposure of personal data and access to mail, payments, and other services tied to the account.
Recommendation
Update Apple systems to the fixed versions and consider enabling additional authentication for Apple Accounts in the organization.
Other vulnerabilities in Apple iOS/iPadOS/macOS/visionOS
See all- CVE-2026-84624Unknown
A permissions issue was addressed with improved path validation. This affects iOS, iPadOS, macOS, and visionOS. A sandboxed app may be able to access restricted files.
- CVE-2026-84606Unknown
A privacy issue in Apple systems was addressed with improved handling of identifiers. An app may be able to identify a user across reinstalls. The fix is available in iOS 27, iPadOS 27, macOS Golden Gate 27, and visionOS 27.
- CVE-2026-84534Unknown
A path handling issue, addressed with improved validation. The flaw affects iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27. Extracting a maliciously crafted archive may allow an attacker to write arbitrary files.
- CVE-2026-84521Unknown
A use-after-free vulnerability in Apple systems, fixed by improved memory management. An app may be able to cause unexpected system termination.
- CVE-2026-65355Medium
An information disclosure issue was addressed with improved state management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 26.6.1. A website may be able to determine a user's IP address with Private Relay turned on.
- CVE-2026-65352Medium
An information disclosure issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 26.6.1. A website may be able to determine a user's IP address with Private Relay turned on.
- CVE-2026-43762Unknown
The issue was addressed with improved checks. The flaw affects iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, and visionOS 26.6. An app may be able to access user-sensitive data.
- CVE-2026-20677Critical
A race condition was addressed with improved handling of symbolic links. This issue affects iOS, iPadOS, macOS, and visionOS. A shortcut may be able to bypass sandbox restrictions.
Original NVD description (English source)
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.