Skip to content
AppleCVE-2026-64745

Apple macOS: improper authentication

Low2.4CVE-2026-64745 · Published Jul 27, 2026 · updated Jul 28, 2026

This issue was addressed with additional restrictions on the lock screen. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A person with physical access to a locked device may be able to access contacts and photos.

Apple advisory

Affected versions

PackageAffectedFixed in
macOS
Product
< 15.7.815.7.8
< 26.626.6
Details and references
CVSS 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-287

More Apple advisories

All Apple
Advisory
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: buffer overflow
Critical9.8Jul 27
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: integer overflow
Critical9.8Jul 27
A memory initialization issue was addressed with improved memory handling
Critical9.8Jul 27

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.