Vulnerability Details CVE-2026-43728
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.5%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-43728
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cpe:2.3:o:apple:macos:26.0
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cpe:2.3:o:apple:macos:26.0.0
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cpe:2.3:o:apple:macos:26.1
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cpe:2.3:o:apple:macos:26.2
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cpe:2.3:o:apple:macos:26.3
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cpe:2.3:o:apple:macos:26.3.1
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cpe:2.3:o:apple:macos:26.4
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cpe:2.3:o:apple:macos:26.5