AppleCVE-2026-20683
Apple iOS and iPadOS: improper authentication
High7.1CVE-2026-20683 · Published Sep 14, 2026 · updated Sep 17, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 27 | 27 |
| macOS Product | < 15.8 | 15.8 |
| < 26.7 | 26.7 | |
| < 27 | 27 | |
| visionOS Product | < 27 | 27 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-287
More Apple advisories
All Apple| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 14 | Apple macOS: path traversal | Medium5.5 | 14.8.8+1 more |
| Sep 14 | Apple iOS and iPadOS: out-of-bounds read | Medium5.5 | 27+2 more |
| Sep 14 | A privacy issue was addressed with improved state management | High7.5 | 26.7+2 more |
| Sep 14 | Apple iOS and iPadOS: improper access control | Medium5.5 | 27+2 more |
| Sep 14 | Apple macOS: protection mechanism failure | Medium4.4 | 27 |
| Sep 14 | Apple macOS: path traversal | Medium5.5 | 15.8+2 more |