8.8
High
CVE-2026-64783 A use-after-free issue was addressed with improved memory management
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Safari 26.6 | earliest → < 26.6 | 26.6 |
| iOS and iPadOS 26.6 | earliest → < 26.6 | 26.6 |
| macOS 26.6 | earliest → < 26.6 | 26.6 |
| visionOS 26.6 | earliest → < 26.6 | 26.6 |
| watchOS 26.6 | earliest → < 26.6 | 26.6 |
Other CVEs of Safari
The 520 CVEs of Safari →
CVE-2026-113904
A use-after-free issue was addressed with improved memory management
4.3
Medium
CVE-2026-113949
A type confusion issue was addressed with improved state management
8.8
High
CVE-2026-112621
An out-of-bounds write issue was addressed with improved bounds checking
7.5
High
CVE-2026-112699
An out-of-bounds read was addressed with improved bounds checking
6.5
Medium