AppleCVE-2026-64768

Apple iOS and iPadOS: out-of-bounds read

CVE-2026-64768 · Published Jul 27, 2026 · updated Aug 17, 2026

High8.1

Fix: upgrade to 18.7.10 or later (4 fixed versions below)

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may cause an unexpected app termination.

Affected versions

Package	Affected	Fixed in
iOS and iPadOS Product	< 18.7.10	18.7.10
	< 26.6	26.6
macOS Product	< 14.8.8	14.8.8
	< 15.7.8	15.7.8
	< 26.6	26.6
tvOS Product	< 26.6	26.6
visionOS Product	< 26.6	26.6

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-125

More Apple advisories

All Apple

Critical 9.8Jul 27

Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64769fixed in 18.7.10 +3 Critical 9.8Jul 27

Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64770fixed in 18.7.10 +3 Critical 9.8Jul 27

Apple iOS and iPadOS: buffer overflowCVE-2026-64771fixed in 18.7.10 +2 Critical 9.8Jul 27

Apple iOS and iPadOS: out-of-bounds writeCVE-2026-64772fixed in 18.7.10 +2 Critical 9.8Jul 27

Apple iOS and iPadOS: integer overflowCVE-2026-64774fixed in 18.7.10 +3 Critical 9.8Jul 27

A memory initialization issue was addressed with improved memory handlingCVE-2026-64775fixed in 26.6 +2