CVE-2026-28847
High
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apple Ipados
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-119Memory buffer bounds errorCWE-120CWE-120
How to fix
Update
- apple ipados18.7.9, 26.5 or later
- apple iphone_os18.7.9, 26.5 or later
- apple macos26.5 or later
- apple tvos26.5 or later
- apple visionos26.5 or later
- apple watchos26.5 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:27728
- access.redhat.com/errata/RHSA-2026:25918
- access.redhat.com/errata/RHSA-2026:27785
- access.redhat.com/errata/RHSA-2026:28114
- access.redhat.com/errata/RHSA-2026:27804
- access.redhat.com/errata/RHSA-2026:28148
- access.redhat.com/errata/RHSA-2026:28146
- access.redhat.com/errata/RHSA-2026:28147
- access.redhat.com/errata/RHSA-2026:25927
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 18.7.9, 26.0 ≤ v < 26.5 | 18.7.9, 26.5 |
| apple iphone_os | v < 18.7.9, 26.0 ≤ v < 26.5 | 18.7.9, 26.5 |
| apple macos | 26.0 ≤ v < 26.5 | 26.5 |
| apple tvos | v < 26.5 | 26.5 |
| apple visionos | v < 26.5 | 26.5 |
| apple watchos | v < 26.5 | 26.5 |
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