CVE-2026-43770

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-27 · updated 2026-07-29
Weakness: CWE-362

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. An app may be able to access sensitive user data.

Affected products

Apple macOS: from 14.0 before 14.8.8; from 15.0 before 15.7.8; from 26.0 before 26.6 — fixed in 14.8.8, 15.7.8, 26.6
Apple tvOS: before 26.6 — fixed in 26.6

How to fix

Upgrade to a fixed version: Apple macOS 14.8.8, 15.7.8, 26.6; Apple tvOS 26.6. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128069
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072

Get alerted when CVE-2026-43770 or the next vulnerability affects your stack