CVE-2026-43809

critical · 9.8

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

9.8

CVSS

0.6%

EPSS (exploit prob.)

48th

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-125

Affected products

Vendor	Product	Affected versions
apple	macos	>= 14.0, < 14.8.8
apple	macos	>= 15.0, < 15.7.8
apple	macos	>= 26.0, < 26.6

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

References

https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072
https://support.apple.com/en-us/148287

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-43809