CVE-2026-43728

HIGH

macOS < 26.6 - Keychain State Modification via Improper State Management

Title source: llm

Description

This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.6. An attacker may be able to modify the state of the Keychain.

References (1)

Core 1

Core References

https://support.apple.com/en-us/128067

Scores

CVSS v3 7.5

EPSS 0.0019

EPSS Percentile 9.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-362

Status published

Products (2)

Apple/macOS < 26.6

apple/macos 26.0 - 26.6

Published Jul 27, 2026

Tracked Since Jul 28, 2026