CVE-2026-20683

State: Published
Severity: 7.1 High
Published: Sep 14, 2026
Updated: Oct 26, 2026
Reserved: Nov 11, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N	CISA-ADP

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
iOS and iPadOSApple	before 27Affected
macOSApple	before 15.8Affected before 26.7Affected before 27Affected
visionOSApple	before 27Affected

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149038
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

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