CVE-2026-20683High· 7.1▾ TwilightAn 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 …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
— → 7.1
none → high
Last analysed / modified upstream
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.
ipados < 27.0iphone_os < 27.0macos >= 15.0, < 15.8macos >= 26.0, < 26.7visionos < 27.0Upgrade past the affected range:
ipados 27.0iphone_os 27.0macos 26.7visionos 27.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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