CVE-2026-64771

critical · 9.8

A buffer overflow was addressed with improved bounds checking. 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 Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

9.8

CVSS

0.7%

EPSS (exploit prob.)

52nd

EPSS percentile

2026-07-27

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-119

Affected products

Vendor	Product	Affected versions
apple	ipados	< 26.6
apple	iphone_os	< 26.6
apple	macos	>= 15.0, < 15.7.8
apple	macos	>= 26.0, < 26.6
apple	tvos	< 26.6
apple	visionos	< 26.6

Check a specific version with /api/v1/cve/match.

References

https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128069
https://support.apple.com/en-us/128070
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/148287

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-64771