by Kastro
Paper/Archive/CVE-2026-64727

CVE-2026-64727

Apple macOS — A type confusion issue was addressed with improved memory handling.

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 42.8.428 × 208.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
macOS< 26.626.6CNA
tvOS< 26.626.6CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.apple.com/en-us/128067refsupport.apple.com/en-us/128069