CVE-2026-64727
published 2026-07-27CVE-2026-64727: A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected…
PriorityP343critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.50%
41.8th percentile
A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | macos | < 26.6 | 26.6 |
| apple | macos | >= 26.0 < 26.6 | 26.6 |
| apple | tvos | < 26.6 | 26.6 |
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VulDB
Apple macOS/tvOS up to 26.5 type confusion
vuldb·2026-07-28
CVE-2026-64727 Apple macOS/tvOS up to 26.5 type confusion
A vulnerability was found in Apple macOS and tvOS up to 26.5. It has been declared as very critical. Impacted is an unknown function. The manipulation results in type confusion.
This vulnerability was named CVE-2026-64727. The attack may be performed from remote. There is no available exploit.
It is recommended to upgrade the affected component.
GHSA
A type confusion issue was addressed with improved memory handling.
ghsa_unreviewed·2026-07-27
CVE-2026-64727 [CRITICAL] CWE-843 A type confusion issue was addressed with improved memory handling.
A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.
No detection rules found.
No public exploits indexed.
2026-07-27
Published