AppleCVE-2026-43728

Apple macOS: race condition

CVE-2026-43728 · Published Jul 27, 2026 · updated Jul 29, 2026

High7.5

Fix: upgrade to 26.6 or later

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.

Affected versions

Package	Affected	Fixed in
macOS Product	< 26.6	26.6

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-362

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