What’s Vulnerable › Vulnerabilities
CVE-2026-64727
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-27 · updated 2026-07-29
- Weakness: CWE-843
Description
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 products
- Apple macOS: from 26.0 before 26.6 — fixed in 26.6
- Apple tvOS: before 26.6 — fixed in 26.6
How to fix
Upgrade to a fixed version: Apple macOS 26.6; Apple tvOS 26.6. Check the vendor advisory for mitigations.
References
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