Detections
Analytics
CVE-2026-28859
high
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.
References
https://support.apple.com/en-us/126800
https://support.apple.com/en-us/126799
https://support.apple.com/en-us/126798
https://support.apple.com/en-us/126797
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126792
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28859.json
https://bugzilla.redhat.com/show_bug.cgi?id=2453006
https://access.redhat.com/security/cve/CVE-2026-28859
https://access.redhat.com/errata/RHSA-2026:9692
https://access.redhat.com/errata/RHSA-2026:22136
https://access.redhat.com/errata/RHSA-2026:19535
https://access.redhat.com/errata/RHSA-2026:19206
https://access.redhat.com/errata/RHSA-2026:16695
https://access.redhat.com/errata/RHSA-2026:16056
https://access.redhat.com/errata/RHSA-2026:14659
https://access.redhat.com/errata/RHSA-2026:13845
https://access.redhat.com/errata/RHSA-2026:11814