AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

AppleCVE-2026-64727

Apple macOS: type confusion

Apple

CVE-2026-64727 · Published Jul 27, 2026 · updated Jul 29, 2026

Critical9.8
Fix: upgrade to 26.6 or later (2 fixed versions below)
Apple advisory

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 versions

PackageAffectedFixed in
macOS
Product
< 26.626.6
tvOS
Product
< 26.626.6
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-843

More Apple advisories

All Apple
Critical 9.8Jul 27Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64769fixed in 18.7.10 +3Critical 9.8Jul 27Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64770fixed in 18.7.10 +3Critical 9.8Jul 27Apple iOS and iPadOS: buffer overflowCVE-2026-64771fixed in 18.7.10 +2Critical 9.8Jul 27Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64772fixed in 18.7.10 +2Critical 9.8Jul 27Apple iOS and iPadOS: integer overflowCVE-2026-64774fixed in 18.7.10 +3Critical 9.8Jul 27A memory initialization issue was addressed with improved memory handlingCVE-2026-64775fixed in 26.6 +2