What’s Vulnerable › Vulnerabilities
CVE-2026-86907
- Severity: medium (CVSS 4.4 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: 2026-10-20 · updated 2026-10-26
- Weakness: CWE-862
Description
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.
Affected products
- Apple macOS: before 15.8; before 26.7 — fixed in 15.8, 26.7
How to fix
Upgrade to a fixed version: Apple macOS 15.8, 26.7. Check the vendor advisory for mitigations.
References
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