CVE-2026-86907
mediumAn authorization issue was addressed with improved entitlement checks.
Vendor / product: Apple — macos
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.
CVSS
4.4
4.4 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-20 01:17
Modified: 2026-11-03 21:01
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-11-03 21:22 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
apple / macos <15.8, ≥26.0 <26.7
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://support.apple.com/en-us/149042
Vendor advisory: https://support.apple.com/en-us/149043
References
- https://support.apple.com/en-us/149042 product-security@apple.com
- https://support.apple.com/en-us/149043 product-security@apple.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 21:22 UTC · record ↗

