CVE-2026-64783
published 2026-07-27CVE-2026-64783: 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…
PriorityP421high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
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
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.6 | 26.6 |
| apple | ipados | < 26.6 | 26.6 |
| apple | iphone_os | < 26.6 | 26.6 |
| apple | macos | < 26.6 | 26.6 |
| apple | macos | >= 26.0 < 26.6 | 26.6 |
| apple | safari | < 26.6 | 26.6 |
| apple | visionos | < 26.6 | 26.6 |
| apple | watchos | < 26.6 | 26.6 |
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VulDB
Apple Safari/iOS/iPadOS/macOS/visionOS/watchOS up to 26.5 use after free
vuldb·2026-07-28
CVE-2026-64783 [CRITICAL] Apple Safari/iOS/iPadOS/macOS/visionOS/watchOS up to 26.5 use after free
A vulnerability marked as critical has been reported in Apple Safari, iOS, iPadOS, macOS, visionOS and watchOS up to 26.5. Affected by this vulnerability is an unknown functionality. This manipulation causes use after free.
The identification of this vulnerability is CVE-2026-64783. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
GHSA
A use-after-free issue was addressed with improved memory management.
ghsa_unreviewed·2026-07-27
CVE-2026-64783 [HIGH] CWE-416 A use-after-free issue was addressed with improved memory management.
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-27
Published