Description
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Apple Safari
0 to < 26.4affected
Apple iOS and iPadOS
0 to < 18.7.7affected0 to < 26.4affected
Apple macOS
0 to < 26.4affected
Apple visionOS
0 to < 26.4affected
References
- https://support.apple.com/en-us/126792 ↗
- https://support.apple.com/en-us/126793 ↗
- https://support.apple.com/en-us/126794 ↗
- https://support.apple.com/en-us/126799 ↗
- https://support.apple.com/en-us/126800 ↗
- https://access.redhat.com/security/cve/CVE-2026-28861 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2453007 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json ↗