CVE-2026-86907 is a vulnerability in Apple macOS
Published on October 20, 2026
An authorization issue was addressed with improved entitlement checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app with admin privileges may be able to modify the System Keychain.
Products Associated with CVE-2026-86907
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Affected Versions
Apple macOS:- Before 15.8 is affected.
- Before 26.7 is affected.