The issue was addressed with improved checks. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious website may exfiltrate data cross-origin.
Fix
Patch, vendor advisory and mitigation references on NVD 5
- https://support.apple.com/en-us/125632 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125637 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125638 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125639 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125640 Release Notes, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.1 · appleNVD modified 2026-10-18 21:10
Affected (CPE criteria) 6
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
References 6
- https://support.apple.com/en-us/125632 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125634
- https://support.apple.com/en-us/125637 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125638 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125639 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125640 Release Notes, Vendor Advisory